Itemized gifts are loaded through June 30, 2026 for the 2025–2026 cycle. Later FEC reports are not processed yet, so recent totals are incomplete.
Illinois
2025–2026 cycle
Senate
| Candidate | Party | Seat | Status | Source |
|---|---|---|---|---|
| BOTSFORD, STEVE | Democratic | Senate, IL | Challenger or open seat | FEC |
| BROWN, SEAN AMEDEE | Democratic | Senate, IL | Challenger or open seat | FEC |
| CAPPARELLI, R CARY | Republican | Senate, IL | Challenger or open seat | FEC |
| DEAN, JONATHAN | Democratic | Senate, IL | Challenger or open seat | FEC |
| KELLY, ROBIN | Democratic | Senate, IL | Challenger or open seat | FEC |
| KRISHNAMOORTHI, S | Democratic | Senate, IL | Challenger or open seat | FEC |
| LONG, PAMELA | Republican | Senate, IL | Challenger or open seat | FEC |
| MAXWELL, BRYAN | Democratic | Senate, IL | Challenger or open seat | FEC |
| RYAN, KEVIN | Democratic | Senate, IL | Challenger or open seat | FEC |
| BARTZIS, PANAGIOTI JOHN | Republican | Senate, IL | Challenger or open seat | FEC |
| BENNETT, DOUGLAS | Republican | Senate, IL | Challenger or open seat | FEC |
| BUSTOS, AWISI | Democratic | Senate, IL | Challenger or open seat | FEC |
| CHLEBEK, CASEY | Republican | Senate, IL | Challenger or open seat | FEC |
| CHLEBEK, CASEY | Republican | Senate, IL | Challenger or open seat | FEC |
| CHLEBEK, CASIMER | Republican | Senate, IL | Challenger or open seat | FEC |
| DELGADO, ADAM | Democratic | Senate, IL | Challenger or open seat | FEC |
| DUCKWORTH, L. TAMMY | Democratic | Senate, IL | Incumbent | FEC |
| DURBIN, RICHARD J. | Democratic | Senate, IL | Incumbent | FEC |
| EVANS, JEANNIE | Republican | Senate, IL | Challenger or open seat | FEC |
| GOODMAN, JOHN | Republican | Senate, IL | Challenger or open seat | FEC |
| HARRINGTON, WHITFIELD JR | Independent | Senate, IL | Challenger or open seat | FEC |
| HORGES, BRADLEY LAMAR JR | W | Senate, IL | Challenger or open seat | FEC |
| HORGES, BRADLEY LAMAR JR. | W | Senate, IL | Challenger or open seat | FEC |
| HUBBARD, PEGGY | Republican | Senate, IL | Challenger or open seat | FEC |
| JONES, LLOYD | Republican | Senate, IL | Challenger or open seat | FEC |
| LEAVELL, STANLEY | Democratic | Senate, IL | Challenger or open seat | FEC |
| MARSHALL, ROBERT | Republican | Senate, IL | Challenger or open seat | FEC |
| MCCLANAHAN, ZACHARY | Republican | Senate, IL | Challenger or open seat | FEC |
| MINK, AUSTIN JAMES | Independent | Senate, IL | Challenger or open seat | FEC |
| MUHAMMAD, TYRONE | Independent | Senate, IL | Challenger or open seat | FEC |
| ORTEGA, JANUARIO | Republican | Senate, IL | Challenger or open seat | FEC |
| PALMER, ROBERT A | Democratic | Senate, IL | Challenger or open seat | FEC |
| RODRIQUEZ, ADAIR | Democratic | Senate, IL | Challenger or open seat | FEC |
| SCHILLING, JOSEPH DAVID | OTH | Senate, IL | Challenger or open seat | FEC |
| SCHWARTZBERG, STEVEN J | Unknown | Senate, IL | Challenger or open seat | FEC |
| SHEPHERD, JUMP WESLEY | Democratic | Senate, IL | Challenger or open seat | FEC |
| SMITH, ANTHONY J | Independent | Senate, IL | Challenger or open seat | FEC |
| SOLOMON, GAVIN | Republican | Senate, IL | Challenger or open seat | FEC |
| SOLOMON, GAVIN | Republican | Senate, IL | Challenger or open seat | FEC |
| SOLOMON, GAVIN | Republican | Senate, IL | Challenger or open seat | FEC |
| SOLOMON, GAVIN | Republican | Senate, IL | Challenger or open seat | FEC |
| SOLOMON, GAVIN | W | Senate, IL | Challenger or open seat | FEC |
| SOLOMON, GAVIN | W | Senate, IL | Challenger or open seat | FEC |
| SOLOMON, GAVIN | Republican | Senate, IL | Challenger or open seat | FEC |
| SOLOMON, GAVIN | W | Senate, IL | Challenger or open seat | FEC |
| SOLOMON, GAVIN | W | Senate, IL | Challenger or open seat | FEC |
| SOLOMON, GAVIN | W | Senate, IL | Challenger or open seat | FEC |
| SOLOMON, GAVIN | W | Senate, IL | Challenger or open seat | FEC |
| SOLOMON, GAVIN | W | Senate, IL | Challenger or open seat | FEC |
| SOLOMON, GAVIN | Republican | Senate, IL | Challenger or open seat | FEC |
| SOLOMON, GAVIN | Republican | Senate, IL | Challenger or open seat | FEC |
| STRATTON, JULIANA | Democratic | Senate, IL | Challenger or open seat | FEC |
| SWANN, CHRISTOPHER ALEXANDER | Democratic | Senate, IL | Challenger or open seat | FEC |
| TILLMAN, JIMMY LEE II | Republican | Senate, IL | Challenger or open seat | FEC |
| TRACY, DON | Republican | Senate, IL | Challenger or open seat | FEC |
| TRUAX, DOUGLAS LEE | Republican | Senate, IL | Challenger or open seat | FEC |
House
| Candidate | Party | Seat | Status | Source |
|---|---|---|---|---|
| ROWDER, FRANK | Independent | House, IL | Challenger or open seat | FEC |
| BROWN, JERICO J | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| BUTLER, CHRISTOPHER | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| DOWELL, PATRICIA R | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| GAD, SARAH | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| HEWITT, ERROL LLOYD | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| IBRAHIM, UTHMAN A | Republican | House, IL district 1 | Challenger or open seat | FEC |
| JACKSON, JONATHAN | Democratic | House, IL district 1 | Incumbent | FEC |
| KING, JOELY FAREN | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| KOVAKA, BRIAN DAVID | Republican | House, IL district 1 | Challenger or open seat | FEC |
| LEWIS, MARCUS | Republican | House, IL district 1 | Challenger or open seat | FEC |
| MATTHEWS, AMEENA | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| MAXWELL, CHRISTIAN | Republican | House, IL district 1 | Challenger or open seat | FEC |
| PINKETT, TA KAYLA | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| PINKETT, TA KAYLA | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| PINKETT, TA KAYLA | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| RUSH, BOBBY LEE | Democratic | House, IL district 1 | Incumbent | FEC |
| SOLOMON, GAVIN | W | House, IL district 1 | Challenger or open seat | FEC |
| SWAIN, JONATHAN | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| WHITE, PHILANISE | Republican | House, IL district 1 | Challenger or open seat | FEC |
| BANKS, ASHLEY | Independent | House, IL district 2 | Challenger or open seat | FEC |
| BROWN, YUMEKA S | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| COLEMAN, CALVIN | Republican | House, IL district 2 | Challenger or open seat | FEC |
| FRANCE, ERIC | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| JACKSON, JESSE L. JR | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| KEATING, PATRICK JOHN | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| KELLY, ROBIN | Democratic | House, IL district 2 | Incumbent | FEC |
| MILLER, DONNA | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| NOACK, MICHAEL SCOTT | Republican | House, IL district 2 | Challenger or open seat | FEC |
| PETERS, ROBERT JAMES | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| PRESTON, WILLIE JUNIOR | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| RAMOS, ASHLEY | Republican | House, IL district 2 | Challenger or open seat | FEC |
| REGIS, ADAL | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| YOUNG, JEREMY | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| BOORAS, JOHN | Republican | House, IL district 3 | Challenger or open seat | FEC |
| DARWISH, RUSH | Democratic | House, IL district 3 | Challenger or open seat | FEC |
| KNUTSON, KIP | Democratic | House, IL district 3 | Challenger or open seat | FEC |
| LIPINSKI, DANIEL WILLIAM WILLIAM | Democratic | House, IL district 3 | Incumbent | FEC |
| OAKLEY, ANGEL | Republican | House, IL district 3 | Challenger or open seat | FEC |
| RAMIREZ, DELIA | Democratic | House, IL district 3 | Incumbent | FEC |
| VAJIC, SPOMENKA | Republican | House, IL district 3 | Challenger or open seat | FEC |
| CASTILLO, LUPE | Republican | House, IL district 4 | Challenger or open seat | FEC |
| CHURCH, LINDSAY | Independent | House, IL district 4 | Challenger or open seat | FEC |
| GARCIA, JESUS | Democratic | House, IL district 4 | Incumbent | FEC |
| GARCIA, PATTY | Democratic | House, IL district 4 | Challenger or open seat | FEC |
| GETTY, CHRISTOPHER ROMAN | Independent | House, IL district 4 | Challenger or open seat | FEC |
| HERSHEY, EDWARD | OTH | House, IL district 4 | Challenger or open seat | FEC |
| MACIAS, MAYRA | Independent | House, IL district 4 | Challenger or open seat | FEC |
| SIGCHO LOPEZ, BYRON | Independent | House, IL district 4 | Challenger or open seat | FEC |
| TAMEZ, ANTHONY MICHAEL | Democratic | House, IL district 4 | Challenger or open seat | FEC |
| BISHOP, JONNY ANTONIO | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| CRUZ, JERICO MATIAS | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| HANSON, TOM | Republican | House, IL district 5 | Challenger or open seat | FEC |
| HANSON, TOMMY | Republican | House, IL district 5 | Challenger or open seat | FEC |
| LADIEN, KIMBALL | Republican | House, IL district 5 | Challenger or open seat | FEC |
| QUIGLEY, MIKE | Democratic | House, IL district 5 | Incumbent | FEC |
| SCHWARTZBERG, STEVE J | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| WICKER, BARRY | Republican | House, IL district 5 | Challenger or open seat | FEC |
| AHMAD, MAHNOOR | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| CASTEN, SEAN | Democratic | House, IL district 6 | Incumbent | FEC |
| CONFORTI, NIKI | Republican | House, IL district 6 | Challenger or open seat | FEC |
| COOLIDGE, LESLIE ANNE | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| DUENSING, SKYLAR | Republican | House, IL district 6 | Challenger or open seat | FEC |
| GRASSO, GARY | Republican | House, IL district 6 | Challenger or open seat | FEC |
| KASPAR, SCOTT RICHARD | Republican | House, IL district 6 | Challenger or open seat | FEC |
| MARSHALL, ROBERT | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| PEKAU, KEITH | Republican | House, IL district 6 | Challenger or open seat | FEC |
| RUZEVICH, JOSEPH | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| BHATIA, NIKHIL | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| BILLIPS, NATHAN E | Independent | House, IL district 7 | Challenger or open seat | FEC |
| BOYKIN, RICHARD | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| COLLINS, KINA | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| COLLINS, KINA I | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| CONYEARS-ERVIN, MELISSA | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| DAVIS, DANNY K. | Democratic | House, IL district 7 | Incumbent | FEC |
| DRIVER, ANTHONY JR. | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| EASLEY, PATRICIA P RAE | Republican | House, IL district 7 | Challenger or open seat | FEC |
| EHRLICH, DAVID | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| FISHER, THOMAS | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| FORD, LA SHAWN K | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| FRIEDMAN, JASON | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| HOSKINS, RORY E. | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| KALI, KAMARIA | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| KNUTSON, KIP | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| KOPPIE, CHAD | Republican | House, IL district 7 | Challenger or open seat | FEC |
| LEIGH, DANICA DAVID | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| MARSHALL, KOURI | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| MARTINEZ, TEKITA | Republican | House, IL district 7 | Challenger or open seat | FEC |
| MCCOMBS, JOHN | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| MENDOZA, ANABEL | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| RAO, ANITA M.D. | Independent | House, IL district 7 | Challenger or open seat | FEC |
| ROBINSON, JAZMIN J. | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| SHERROD, RHONDA | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| SHOWALTER, REED | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| TAYLOR, JABARI L | Independent | House, IL district 7 | Challenger or open seat | FEC |
| TELLO, FELIX | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| VOLNY, WILLIAM | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| WASHINGTON SOVIEGN, EMELIA ROSIE | None | House, IL district 7 | Challenger or open seat | FEC |
| AHMED, JUNAID | Democratic | House, IL district 8 | Challenger or open seat | FEC |
| AKE, KEVIN ALLEN | Republican | House, IL district 8 | Challenger or open seat | FEC |
| BANKOLE, YASMEEN | Democratic | House, IL district 8 | Challenger or open seat | FEC |
| BEAN, MELISSA LUBURICH | Democratic | House, IL district 8 | Challenger or open seat | FEC |
| BRISENO, JORGE ALBERTO | Independent | House, IL district 8 | Challenger or open seat | FEC |
| DARGIS, CHRISTOPHER BRYANT | Republican | House, IL district 8 | Challenger or open seat | FEC |
| DAVIS, JENNIFER | Republican | House, IL district 8 | Challenger or open seat | FEC |
| DUNUNG, SANJYOT | Democratic | House, IL district 8 | Challenger or open seat | FEC |
| HILL, TAMIKA LA'SHON | Democratic | House, IL district 8 | Challenger or open seat | FEC |
| KALLAS, CHRIST | Democratic | House, IL district 8 | Challenger or open seat | FEC |
| KHOT, NEIL | Democratic | House, IL district 8 | Challenger or open seat | FEC |
| KRISHNAMOORTHI, S. RAJA | Democratic | House, IL district 8 | Incumbent | FEC |
| MCSWEENEY, DAVID | Republican | House, IL district 8 | Challenger or open seat | FEC |
| MORRISON, KEVIN B. | Democratic | House, IL district 8 | Challenger or open seat | FEC |
| RICE, MARK | Republican | House, IL district 8 | Challenger or open seat | FEC |
| TULLY, DAN | Democratic | House, IL district 8 | Challenger or open seat | FEC |
| VETTICAD, RYAN | Democratic | House, IL district 8 | Challenger or open seat | FEC |
| WENTZEL, JOSEPH | Democratic | House, IL district 8 | Challenger or open seat | FEC |
| ABREVAYA, DAVID | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| ABUGHAZALEH, KATHERINE M. | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| AMIWALA, BUSHRA | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| ANDREW, PHILIP JEROME | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| BARRERA, DELILA | Independent | House, IL district 9 | Challenger or open seat | FEC |
| BISS, DANIEL | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| CLEVELAND, ROCIO | Republican | House, IL district 9 | Challenger or open seat | FEC |
| COHEN, JEFF | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| COHEN, SETH ALAN | Republican | House, IL district 9 | Challenger or open seat | FEC |
| ELLESON, JOHN | Republican | House, IL district 9 | Challenger or open seat | FEC |
| ELLESON, JOHN D. | Republican | House, IL district 9 | Challenger or open seat | FEC |
| FINE, LAURA | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| FORD, JUSTIN | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| FREDRICKSON, MARK A. | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| FRIEDMAN, PAUL SANFORD | Republican | House, IL district 9 | Challenger or open seat | FEC |
| HILL, TAMIKA LA'SHON | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| HILL, TAMIKA LA'SHON | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| HILL, TAMIKA LA'SHON | Republican | House, IL district 9 | Challenger or open seat | FEC |
| HILL, TAMIKA LA'SHON | Republican | House, IL district 9 | Challenger or open seat | FEC |
| HUYNH, KHAI-HOAN | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| JENKINS, MIRACLE | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| JOHNSON, BETHANY | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| LEON, BRUCE | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| MANRIQUE, JILL | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| MILLION, LAUREN | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| POLAN, SAM | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| PYATI, NICK | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| ROSENBLUM, HOWARD | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| SANGARI, SARGIS | Republican | House, IL district 9 | Challenger or open seat | FEC |
| SCHAKOWSKY, JANICE D | Democratic | House, IL district 9 | Incumbent | FEC |
| SIMMONS, MIKE | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| SOLOMON, GAVIN | W | House, IL district 9 | Challenger or open seat | FEC |
| SU, DONGBO | Republican | House, IL district 9 | Challenger or open seat | FEC |
| ANDERSON, CHRISTOPHER M | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| BENNETT, DOUGLAS R 1963 | Republican | House, IL district 10 | Challenger or open seat | FEC |
| CARRIS, JIM | Republican | House, IL district 10 | Challenger or open seat | FEC |
| COGHILL, MORGAN | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| DOLD, ROBERT JAMES JR | Republican | House, IL district 10 | Incumbent | FEC |
| LAMBRECHT, CARL | Republican | House, IL district 10 | Challenger or open seat | FEC |
| MINK, AUSTIN JAMES | Independent | House, IL district 10 | Challenger or open seat | FEC |
| RODKIN ROTERING, NANCY | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| SCHNEIDER, BRADLEY S. | Democratic | House, IL district 10 | Incumbent | FEC |
| SEVERINO, JOSEPH | Independent | House, IL district 10 | Challenger or open seat | FEC |
| SOLOMON, GAVIN | W | House, IL district 10 | Challenger or open seat | FEC |
| SUMPTION, MILTON J | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| BANSAL, KRISHNA K | Republican | House, IL district 11 | Challenger or open seat | FEC |
| BROWN, TEDORA M. | Republican | House, IL district 11 | Challenger or open seat | FEC |
| DURR, MATTHEW | Independent | House, IL district 11 | Challenger or open seat | FEC |
| EVANS, JERRY | Republican | House, IL district 11 | Challenger or open seat | FEC |
| FOSTER, G. WILLIAM (BILL) | Democratic | House, IL district 11 | Incumbent | FEC |
| HATHAWAY-ALTMAN, SUSAN | Republican | House, IL district 11 | Challenger or open seat | FEC |
| KIM, CHARLES | Republican | House, IL district 11 | Challenger or open seat | FEC |
| MCCASKILL, STACY | Independent | House, IL district 11 | Challenger or open seat | FEC |
| MILLER, CASSANDRA TANNER | Republican | House, IL district 11 | Challenger or open seat | FEC |
| NEWMAN, CHANCE WILLIAM | Unknown | House, IL district 11 | Challenger or open seat | FEC |
| PIERCE, MICHAEL DAVID LTC (RET.) | Republican | House, IL district 11 | Challenger or open seat | FEC |
| RASHID, QASIM | Democratic | House, IL district 11 | Challenger or open seat | FEC |
| ROBBINS, CRAIG | Republican | House, IL district 11 | Challenger or open seat | FEC |
| WALTER, JEFFREY D | Republican | House, IL district 11 | Challenger or open seat | FEC |
| BAILEY, DARREN | Republican | House, IL district 12 | Challenger or open seat | FEC |
| BOST, MICHAEL | Republican | House, IL district 12 | Incumbent | FEC |
| COSTELLO, JERRY F | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| FORTIER, JULIE | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| ROBERTS, BRIAN | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| TABACCHI, MICHAEL EUGENE | Republican | House, IL district 12 | Challenger or open seat | FEC |
| BLAHA, DYLAN THOMAS | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| BUDZINSKI, NIKKI | Democratic | House, IL district 13 | Incumbent | FEC |
| HORGES, BRADLEY | W | House, IL district 13 | Challenger or open seat | FEC |
| HORGES, BRADLEY | W | House, IL district 13 | Challenger or open seat | FEC |
| HORGES, BRADLEY | W | House, IL district 13 | Challenger or open seat | FEC |
| HORGES, BRADLEY | W | House, IL district 13 | Challenger or open seat | FEC |
| HORGES, BRADLEY JR | W | House, IL district 13 | Challenger or open seat | FEC |
| HORGES, BRADLEY JR | W | House, IL district 13 | Challenger or open seat | FEC |
| HORGES, BRADLEY LAMAR JR | W | House, IL district 13 | Challenger or open seat | FEC |
| LOYD, JOSHUA | Republican | House, IL district 13 | Challenger or open seat | FEC |
| LUX, EMILY ATHENA | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| WILSON, JEFF | Republican | House, IL district 13 | Challenger or open seat | FEC |
| DAVIS, JED | Republican | House, IL district 14 | Challenger or open seat | FEC |
| DOREY, KRYSTAL | Republican | House, IL district 14 | Challenger or open seat | FEC |
| GRYDER, SCOTT | Republican | House, IL district 14 | Challenger or open seat | FEC |
| HULTGREN, RANDY | Republican | House, IL district 14 | Incumbent | FEC |
| KOOLIDGE, MICHAEL | Republican | House, IL district 14 | Challenger or open seat | FEC |
| LEIV, MATTHEW | Republican | House, IL district 14 | Challenger or open seat | FEC |
| MARTER, JAMES THOMAS | Republican | House, IL district 14 | Challenger or open seat | FEC |
| REZIN, SUE | Republican | House, IL district 14 | Challenger or open seat | FEC |
| UNDERWOOD, LAUREN | Democratic | House, IL district 14 | Incumbent | FEC |
| VALENCIANO, ROMAN GAEL | Democratic | House, IL district 14 | Challenger or open seat | FEC |
| VICIAN, GARY | Republican | House, IL district 14 | Challenger or open seat | FEC |
| BARNES, ANTHONY LAWRENCE | Democratic | House, IL district 15 | Challenger or open seat | FEC |
| BOWLBY, JUDY | Republican | House, IL district 15 | Challenger or open seat | FEC |
| DAVIS, PAUL R JR | Democratic | House, IL district 15 | Challenger or open seat | FEC |
| DAVIS, RODNEY L | Republican | House, IL district 15 | Incumbent | FEC |
| DUNCAN, DARREN | Republican | House, IL district 15 | Challenger or open seat | FEC |
| MILLER, MARY | Republican | House, IL district 15 | Incumbent | FEC |
| SHIMKUS, JOHN M | Republican | House, IL district 15 | Incumbent | FEC |
| TEBRUGGE, RYAN | Republican | House, IL district 15 | Challenger or open seat | FEC |
| TODD, JENNIFER ANN | Democratic | House, IL district 15 | Challenger or open seat | FEC |
| WEAVER, ERIKA C | Democratic | House, IL district 15 | Challenger or open seat | FEC |
| ALBRIGHT, JOE | Democratic | House, IL district 16 | Challenger or open seat | FEC |
| BEST, SCOTT ALLAN | Democratic | House, IL district 16 | Challenger or open seat | FEC |
| BEST, SCOTT ALLAN | Democratic | House, IL district 16 | Challenger or open seat | FEC |
| GULLETTE, GARTH WESLEY | Republican | House, IL district 16 | Challenger or open seat | FEC |
| KINZINGER, ADAM | Republican | House, IL district 16 | Incumbent | FEC |
| KITOVER, JOHN | Republican | House, IL district 16 | Challenger or open seat | FEC |
| LAHOOD, DARIN MCKAY | Republican | House, IL district 16 | Incumbent | FEC |
| MORGAN, BRENDYN | Democratic | House, IL district 16 | Challenger or open seat | FEC |
| NOLLEY, PAUL | Democratic | House, IL district 16 | Challenger or open seat | FEC |
| BICKELHAUPT, JULIE | Republican | House, IL district 17 | Challenger or open seat | FEC |
| BUSTOS, CHERI | Democratic | House, IL district 17 | Incumbent | FEC |
| MCGRAW, JOE | Republican | House, IL district 17 | Challenger or open seat | FEC |
| MUDD, MATTHEW | Republican | House, IL district 17 | Challenger or open seat | FEC |
| MUDD, MATTHEW COLE PARKER | UN | House, IL district 17 | Challenger or open seat | FEC |
| SCHILLING, ROBERT T. | Republican | House, IL district 17 | Challenger or open seat | FEC |
| SOLIZ, MONTEZ | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| SORENSEN, ERIC | Democratic | House, IL district 17 | Incumbent | FEC |
| VANCIL, DILLAN | Republican | House, IL district 17 | Challenger or open seat | FEC |
| WILLIAMS, MARSHA VIRIGINIA | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| RIENTS, DONALD | Republican | House, IL district 18 | Challenger or open seat | FEC |
| SCHOCK, AARON JON | Republican | House, IL district 18 | Incumbent | FEC |
| HORGES, BRADLEY | W | House, IL district 51 | Challenger or open seat | FEC |
2023–2024 cycle
Senate
| Candidate | Party | Seat | Status | Source |
|---|---|---|---|---|
| AGUN, BURAK | Republican | Senate, IL | Challenger or open seat | FEC |
| ARVIEW, TIMOTHY C | Republican | Senate, IL | Challenger or open seat | FEC |
| BENNETT, DOUGLAS | Republican | Senate, IL | Challenger or open seat | FEC |
| DUCKWORTH, L. TAMMY | Democratic | Senate, IL | Incumbent | FEC |
| DURBIN, RICHARD J. | Democratic | Senate, IL | Incumbent | FEC |
| FEGES, PATRICK | Independent | Senate, IL | Challenger or open seat | FEC |
| HORGES, BRADLEY LAMAR JR | W | Senate, IL | Challenger or open seat | FEC |
| HORGES, BRADLEY LAMAR JR | W | Senate, IL | Challenger or open seat | FEC |
| HORGES, BRADLEY LAMAR JR. | W | Senate, IL | Challenger or open seat | FEC |
| HUBBARD, PEGGY | Republican | Senate, IL | Challenger or open seat | FEC |
| HUDSON, LANETTE | Republican | Senate, IL | Challenger or open seat | FEC |
| MARCOTTE, KELLY LYNN | Democratic | Senate, IL | Challenger or open seat | FEC |
| MARSHALL, ROBERT | Republican | Senate, IL | Challenger or open seat | FEC |
| MINK, AUSTIN JAMES | Independent | Senate, IL | Challenger or open seat | FEC |
| NELSON, PRESTON GABRIEL | Republican | Senate, IL | Challenger or open seat | FEC |
| REDPATH, WILLIAM | Libertarian | Senate, IL | Challenger or open seat | FEC |
| SALINAS, ALLISON | Republican | Senate, IL | Challenger or open seat | FEC |
| SALVI, KATHY RAYE | Republican | Senate, IL | Challenger or open seat | FEC |
| SCHILLING, JOSEPH DAVID | OTH | Senate, IL | Challenger or open seat | FEC |
| SEPPELFRICK DEAN A | Republican | Senate, IL | Challenger or open seat | FEC |
| SWANN, CHRISTOPHER ALEXANDER | Democratic | Senate, IL | Challenger or open seat | FEC |
| TILLMAN, JIMMY LEE II | Republican | Senate, IL | Challenger or open seat | FEC |
| TRUAX, DOUGLAS LEE | Republican | Senate, IL | Challenger or open seat | FEC |
| VLAKANCIC, CONNOR | Republican | Senate, IL | Challenger or open seat | FEC |
| WALKER, IESHA NICOLE | Democratic | Senate, IL | Challenger or open seat | FEC |
| WILSON, WILLIE | OTH | Senate, IL | Challenger or open seat | FEC |
House
| Candidate | Party | Seat | Status | Source |
|---|---|---|---|---|
| BUTLER, CHRISTOPHER | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| CARLSON, ERIC JOSEPH | Republican | House, IL district 1 | Challenger or open seat | FEC |
| COLE, JAHMAL | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| COLLINS, JACQUELINE | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| DAVILO, MITCHEL | OTH | House, IL district 1 | Challenger or open seat | FEC |
| DOWELL, PATRICIA R | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| GAD, SARAH | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| GAJI, MONTELLE L. | Republican | House, IL district 1 | Challenger or open seat | FEC |
| GOODRUM, CASSANDRA ATTORNEY | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| IBRAHIM, UTHMAN A | Republican | House, IL district 1 | Challenger or open seat | FEC |
| JACKSON, JONATHAN | Democratic | House, IL district 1 | Incumbent | FEC |
| JONES, J DARNELL J.D. | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| KOVAKA, BRIAN DAVID | Republican | House, IL district 1 | Challenger or open seat | FEC |
| LEATHERWOOD, DARNELL | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| LEWIS, MARCUS | Republican | House, IL district 1 | Challenger or open seat | FEC |
| MATTHEWS, AMEENA | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| NIX, DARIUS YOREL DEE | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| PAYNE, MICHAEL AARON | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| PELLEGRINI, RUTH | Independent | House, IL district 1 | Challenger or open seat | FEC |
| PEYTON, BABETTE | Republican | House, IL district 1 | Challenger or open seat | FEC |
| PINKETT, TA KAYLA | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| PINKETT, TA KAYLA | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| PINKETT, TA KAYLA | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| PIPPION MCGRIFF, NYKEA | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| REGNIER, JEFFERY | Republican | House, IL district 1 | Challenger or open seat | FEC |
| RUDBECK, THOMAS | Independent | House, IL district 1 | Challenger or open seat | FEC |
| RUSH, BOBBY LEE | Democratic | House, IL district 1 | Incumbent | FEC |
| SPILLER, HOWARD L | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| SWAIN, JONATHAN | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| TAYLOR, KIRBY JEROME BIRGANS- | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| THOMPSON, MICHAEL ANTHONY | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| TILLMAN II, JIMMY LEE | Republican | House, IL district 1 | Challenger or open seat | FEC |
| WHITE, PHILANISE | Republican | House, IL district 1 | Challenger or open seat | FEC |
| WILLIAMS, CHARISE A | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| YOUNG, GENO | Republican | House, IL district 1 | Challenger or open seat | FEC |
| BEALE, ANTHONY A | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| CURRY, JOHN GREGORY | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| JACKSON, JESSE L. JR | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| KELLY, ROBIN | Democratic | House, IL district 2 | Incumbent | FEC |
| LYNCH, THOMAS | Republican | House, IL district 2 | Challenger or open seat | FEC |
| MORROW, JOHN F. | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| RABORN, THERESA | Republican | House, IL district 2 | Challenger or open seat | FEC |
| RAMOS, ASHLEY | Republican | House, IL district 2 | Challenger or open seat | FEC |
| AGUIRRE, JUAN ENRIQUE | Democratic | House, IL district 3 | Challenger or open seat | FEC |
| BOORAS, JOHN | Republican | House, IL district 3 | Challenger or open seat | FEC |
| BURAU, JUSTIN | Republican | House, IL district 3 | Challenger or open seat | FEC |
| CHEHADE, IYMEN | Democratic | House, IL district 3 | Challenger or open seat | FEC |
| DARWISH, RUSH | Democratic | House, IL district 3 | Challenger or open seat | FEC |
| LIPINSKI, DANIEL WILLIAM WILLIAM | Democratic | House, IL district 3 | Incumbent | FEC |
| MATTHEW, ABRAHAM THOMAS | Democratic | House, IL district 3 | Challenger or open seat | FEC |
| RAMIREZ, DELIA | Democratic | House, IL district 3 | Incumbent | FEC |
| TOMKOWIAK, MATEUSZ | Independent | House, IL district 3 | Challenger or open seat | FEC |
| VILLEGAS, GILBERT | Democratic | House, IL district 3 | Challenger or open seat | FEC |
| GARCIA, JESUS | Democratic | House, IL district 4 | Incumbent | FEC |
| HERSHEY, EDWARD | OTH | House, IL district 4 | Challenger or open seat | FEC |
| LOPEZ, RAYMOND | Democratic | House, IL district 4 | Challenger or open seat | FEC |
| SOLORIO, JESUS EDUARDO JR | Republican | House, IL district 4 | Challenger or open seat | FEC |
| BOWMAN, RALEIGH | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| BURNS, BRIAN | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| CRUZ, JERICO MATIAS | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| HANSON, TOM | Republican | House, IL district 5 | Challenger or open seat | FEC |
| MCGONIGAL, MALGORZATA | Republican | House, IL district 5 | Challenger or open seat | FEC |
| QUIGLEY, MIKE | Democratic | House, IL district 5 | Incumbent | FEC |
| SCHWARTZBERG, STEVE J | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| WOZNICZKA, DANIEL | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| AHMAD, MAHNOOR | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| CASTEN, SEAN | Democratic | House, IL district 6 | Incumbent | FEC |
| CONFORTI, NIKI | Republican | House, IL district 6 | Challenger or open seat | FEC |
| COOLIDGE, LESLIE ANNE | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| GRASSO, GARY | Republican | House, IL district 6 | Challenger or open seat | FEC |
| HUGHES, CHARLES M | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| KASPAR, SCOTT RICHARD | Republican | House, IL district 6 | Challenger or open seat | FEC |
| MARSHALL, ROBERT | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| NEWMAN, MARIE | Democratic | House, IL district 6 | Incumbent | FEC |
| O'SHEA, CATHERINE ANNE | Republican | House, IL district 6 | Challenger or open seat | FEC |
| PEKAU, KEITH | Republican | House, IL district 6 | Challenger or open seat | FEC |
| BHATIA, NIKHIL | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| CAMERON, CRAIG | Republican | House, IL district 7 | Challenger or open seat | FEC |
| CLARK, ANTHONY | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| COLLINS, KINA | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| CONYEARS-ERVIN, MELISSA | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| DAVIS, DANNY K. | Democratic | House, IL district 7 | Incumbent | FEC |
| KNUTSON, KIP | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| KOPPIE, CHAD | Republican | House, IL district 7 | Challenger or open seat | FEC |
| MARSHALL, KOURI | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| SHERROD, RHONDA | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| WALKER, IESHA NICOLE | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| AHMED, JUNAID | Democratic | House, IL district 8 | Challenger or open seat | FEC |
| BRISENO, JORGE ALBERTO | Independent | House, IL district 8 | Challenger or open seat | FEC |
| DARGIS, CHRISTOPHER BRYANT | Republican | House, IL district 8 | Challenger or open seat | FEC |
| FAHEEM, MOHAMMED | Democratic | House, IL district 8 | Challenger or open seat | FEC |
| KOLODZIEJ, KAREN | Republican | House, IL district 8 | Challenger or open seat | FEC |
| KOPSAFTIS, PETER | Republican | House, IL district 8 | Challenger or open seat | FEC |
| KRISHNAMOORTHI, S. RAJA | Democratic | House, IL district 8 | Incumbent | FEC |
| MCSWEENEY, DAVID | Republican | House, IL district 8 | Challenger or open seat | FEC |
| PATEL, ABHIJIT | Republican | House, IL district 8 | Challenger or open seat | FEC |
| RICE, MARK | Republican | House, IL district 8 | Challenger or open seat | FEC |
| CLEVELAND, ROCIO | Republican | House, IL district 9 | Challenger or open seat | FEC |
| COHEN, SETH ALAN | Republican | House, IL district 9 | Challenger or open seat | FEC |
| DONAHUE, MICHAEL | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| RICE, MAXWELL | Republican | House, IL district 9 | Challenger or open seat | FEC |
| SANGARI, SARGIS | Republican | House, IL district 9 | Challenger or open seat | FEC |
| SCHAKOWSKY, JANICE D | Democratic | House, IL district 9 | Incumbent | FEC |
| ANDERSON, CHRISTOPHER M | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| BENNETT, DOUGLAS R 1963 | Republican | House, IL district 10 | Challenger or open seat | FEC |
| CARRIS, JIM | Republican | House, IL district 10 | Challenger or open seat | FEC |
| DOLD, ROBERT JAMES JR | Republican | House, IL district 10 | Incumbent | FEC |
| MINK, AUSTIN JAMES | Independent | House, IL district 10 | Challenger or open seat | FEC |
| NOWAK, KIM | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| RODKIN ROTERING, NANCY | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| SCHNEIDER, BRADLEY S. | Democratic | House, IL district 10 | Incumbent | FEC |
| SEVERINO, JOSEPH | Independent | House, IL district 10 | Challenger or open seat | FEC |
| SUMPTION, MILTON J | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| WANG, ANDREW | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| BANSAL, KRISHNA K | Republican | House, IL district 11 | Challenger or open seat | FEC |
| EVANS, JERRY | Republican | House, IL district 11 | Challenger or open seat | FEC |
| FOSTER, G. WILLIAM (BILL) | Democratic | House, IL district 11 | Incumbent | FEC |
| HATHAWAY-ALTMAN, SUSAN | Republican | House, IL district 11 | Challenger or open seat | FEC |
| HEEG, ANDREA | Republican | House, IL district 11 | Challenger or open seat | FEC |
| KHOURI, TONIA | Republican | House, IL district 11 | Challenger or open seat | FEC |
| KIM, CHARLES | Republican | House, IL district 11 | Challenger or open seat | FEC |
| LAUF, CATALINA | Republican | House, IL district 11 | Challenger or open seat | FEC |
| MARTIN, ALEC CHRISTIAN | Republican | House, IL district 11 | Challenger or open seat | FEC |
| MERCADO, O KENT | Republican | House, IL district 11 | Challenger or open seat | FEC |
| MILLER, CASSANDRA TANNER | Republican | House, IL district 11 | Challenger or open seat | FEC |
| NEWMAN, CHANCE WILLIAM | Unknown | House, IL district 11 | Challenger or open seat | FEC |
| RASHID, QASIM | Democratic | House, IL district 11 | Challenger or open seat | FEC |
| ROBBINS, CRAIG | Republican | House, IL district 11 | Challenger or open seat | FEC |
| BAILEY, DARREN | Republican | House, IL district 12 | Challenger or open seat | FEC |
| BOST, MICHAEL | Republican | House, IL district 12 | Incumbent | FEC |
| COSTELLO, JERRY F | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| FUNK, JOEL DAVID | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| MARKEL, HOMER CHIP | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| NELSON, PRESTON | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| RICHARDSON, KEITH GARTH RABBI | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| ROBERTS, BRIAN | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| BUDZINSKI, NIKKI | Democratic | House, IL district 13 | Incumbent | FEC |
| CLATTERBUCK, THOMAS | Republican | House, IL district 13 | Challenger or open seat | FEC |
| DEERING, REGAN | Republican | House, IL district 13 | Challenger or open seat | FEC |
| FOSTER, NANCY | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| HAUSMAN, MATT | Republican | House, IL district 13 | Challenger or open seat | FEC |
| HORGES, BRADLEY JR | W | House, IL district 13 | Challenger or open seat | FEC |
| HORGES, BRADLEY JR | W | House, IL district 13 | Challenger or open seat | FEC |
| HORGES, BRADLEY LAMAR JR | W | House, IL district 13 | Challenger or open seat | FEC |
| LOYD, JOSHUA | Republican | House, IL district 13 | Challenger or open seat | FEC |
| PALMER, DAVID | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| RORIE, JASON | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| SMITH, STEFANIE | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| TAYLOR, ELLIS EVERETT | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| WILLHITE, LAYNE AUSTIN | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| DOREY, KRYSTAL | Republican | House, IL district 14 | Challenger or open seat | FEC |
| GRYDER, SCOTT | Republican | House, IL district 14 | Challenger or open seat | FEC |
| HULTGREN, RANDY | Republican | House, IL district 14 | Incumbent | FEC |
| KOOLIDGE, MICHAEL | Republican | House, IL district 14 | Challenger or open seat | FEC |
| LEIV, MATTHEW | Republican | House, IL district 14 | Challenger or open seat | FEC |
| LOMBARDI, JACK II | Republican | House, IL district 14 | Challenger or open seat | FEC |
| MARTER, JAMES THOMAS | Republican | House, IL district 14 | Challenger or open seat | FEC |
| MLTON, JAIME | Republican | House, IL district 14 | Challenger or open seat | FEC |
| REZIN, SUE | Republican | House, IL district 14 | Challenger or open seat | FEC |
| UNDERWOOD, LAUREN | Democratic | House, IL district 14 | Incumbent | FEC |
| WILSON, BARRY | Independent | House, IL district 14 | Challenger or open seat | FEC |
| DAVIS, RODNEY L | Republican | House, IL district 15 | Incumbent | FEC |
| DUNCAN, DARREN | Republican | House, IL district 15 | Challenger or open seat | FEC |
| FULLER, LORI | Republican | House, IL district 15 | Challenger or open seat | FEC |
| GAITHER, KEVIN | Democratic | House, IL district 15 | Challenger or open seat | FEC |
| GRAY, KENT | Republican | House, IL district 15 | Challenger or open seat | FEC |
| HURSEY, JOHN WESLEY JR | Democratic | House, IL district 15 | Challenger or open seat | FEC |
| LANGE, PAUL | Democratic | House, IL district 15 | Challenger or open seat | FEC |
| MCCARTER, KYLE | Republican | House, IL district 15 | Challenger or open seat | FEC |
| MILLER, MARY | Republican | House, IL district 15 | Incumbent | FEC |
| SHIMKUS, JOHN M | Republican | House, IL district 15 | Incumbent | FEC |
| WALKER, ALEX | Republican | House, IL district 15 | Challenger or open seat | FEC |
| WEAVER, ERIKA C | Democratic | House, IL district 15 | Challenger or open seat | FEC |
| GUILLEMETTE, JOANNE | Republican | House, IL district 16 | Challenger or open seat | FEC |
| HORGES, BRADLEY LAMAR JR. | W | House, IL district 16 | Challenger or open seat | FEC |
| KINZINGER, ADAM | Republican | House, IL district 16 | Incumbent | FEC |
| LAHOOD, DARIN MCKAY | Republican | House, IL district 16 | Incumbent | FEC |
| REBRESH, MICHAEL STEPHAN | Republican | House, IL district 16 | Challenger or open seat | FEC |
| BUSTOS, CHERI | Democratic | House, IL district 17 | Incumbent | FEC |
| CROWL, SCOT ALAN | Republican | House, IL district 17 | Challenger or open seat | FEC |
| EDWARDS, SPANKY | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| ESTRADA, RAFAEL | Republican | House, IL district 17 | Challenger or open seat | FEC |
| FARRELL, EUGENE | Republican | House, IL district 17 | Challenger or open seat | FEC |
| FAWELL, WILLIAM W | Republican | House, IL district 17 | Challenger or open seat | FEC |
| HARLAN, PATRICK | Republican | House, IL district 17 | Challenger or open seat | FEC |
| HELMICK, CHARLES WILLIAM JR | Republican | House, IL district 17 | Challenger or open seat | FEC |
| HELMICK, CHARLIE | Republican | House, IL district 17 | Challenger or open seat | FEC |
| KING, ESTHER JOY | Republican | House, IL district 17 | Challenger or open seat | FEC |
| MCGOWAN, JACQUELINE MARIE | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| MCGRAW, JOE | Republican | House, IL district 17 | Challenger or open seat | FEC |
| MCNEELY, LINDA | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| MORRIS, SPENCE EDMUND III | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| MUDD, MATTHEW | Republican | House, IL district 17 | Challenger or open seat | FEC |
| MUDD, MATTHEW COLE PARKER | UN | House, IL district 17 | Challenger or open seat | FEC |
| NORMOYLE, ANGELA H. | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| PARKER, GENERAL | Independent | House, IL district 17 | Challenger or open seat | FEC |
| PFAFF, TERESA MARIE | Republican | House, IL district 17 | Challenger or open seat | FEC |
| SCHILLING, ROBERT T. | Republican | House, IL district 17 | Challenger or open seat | FEC |
| SORENSEN, ERIC | Democratic | House, IL district 17 | Incumbent | FEC |
| SWISHER, WILLIAM CRAIG | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| THOMAS, KERMIT ELLIOTT JR. | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| VANCIL, DILLAN | Republican | House, IL district 17 | Challenger or open seat | FEC |
| WALLACE, LITESA | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| WILLIAMS, MARSHA VIRIGINIA | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| PETRILLI, GEORGE | Democratic | House, IL district 18 | Challenger or open seat | FEC |
| RIENTS, DONALD | Republican | House, IL district 18 | Challenger or open seat | FEC |
| SCHOCK, AARON JON | Republican | House, IL district 18 | Incumbent | FEC |
2021–2022 cycle
Senate
| Candidate | Party | Seat | Status | Source |
|---|---|---|---|---|
| WILLIAMS, ANTHONY W | Republican | Senate, IL | Challenger or open seat | FEC |
| AGUN, BURAK | Republican | Senate, IL | Challenger or open seat | FEC |
| ARVIEW, TIMOTHY C | Republican | Senate, IL | Challenger or open seat | FEC |
| CHLEBEK, CASEY | Republican | Senate, IL | Challenger or open seat | FEC |
| CHLEBEK, CASEY | Republican | Senate, IL | Challenger or open seat | FEC |
| CRUZ, ROBERT ROB | Republican | Senate, IL | Challenger or open seat | FEC |
| CURRAN, MARK | Republican | Senate, IL | Challenger or open seat | FEC |
| DUBIEL, MATTHEW JAMES | Republican | Senate, IL | Challenger or open seat | FEC |
| DUCKWORTH, L. TAMMY | Democratic | Senate, IL | Incumbent | FEC |
| DURBIN, RICHARD J. | Democratic | Senate, IL | Incumbent | FEC |
| FEGES, PATRICK | Independent | Senate, IL | Challenger or open seat | FEC |
| HAUSKINS, DANIEL OBAMA JR | GWP | Senate, IL | Challenger or open seat | FEC |
| HORGES, BRADLEY LAMAR JR | W | Senate, IL | Challenger or open seat | FEC |
| HORGES, BRADLEY LAMAR JR. | W | Senate, IL | Challenger or open seat | FEC |
| HORGES, BRADLEY LAMAR JR. | W | Senate, IL | Challenger or open seat | FEC |
| HUBBARD, PEGGY | Republican | Senate, IL | Challenger or open seat | FEC |
| HUDSON, LANETTE | Republican | Senate, IL | Challenger or open seat | FEC |
| MALOUF, DANIEL | Libertarian | Senate, IL | Challenger or open seat | FEC |
| MARCOTTE, KELLY LYNN | Democratic | Senate, IL | Challenger or open seat | FEC |
| MARSHALL, ROBERT | Republican | Senate, IL | Challenger or open seat | FEC |
| MASTER, LUCY LIAO | CNC | Senate, IL | Challenger or open seat | FEC |
| NELSON, PRESTON GABRIEL | Republican | Senate, IL | Challenger or open seat | FEC |
| OBERWEIS, JAMES D "JIM" | Republican | Senate, IL | Challenger or open seat | FEC |
| PITON, ROBERT "BOBBY" | Republican | Senate, IL | Challenger or open seat | FEC |
| REDPATH, WILLIAM | Libertarian | Senate, IL | Challenger or open seat | FEC |
| SALINAS, ALLISON | Republican | Senate, IL | Challenger or open seat | FEC |
| SALVI, KATHY RAYE | Republican | Senate, IL | Challenger or open seat | FEC |
| SEPPELFRICK DEAN A | Republican | Senate, IL | Challenger or open seat | FEC |
| TILLMAN, JIMMY LEE II | Republican | Senate, IL | Challenger or open seat | FEC |
| TRUAX, DOUGLAS LEE | Republican | Senate, IL | Challenger or open seat | FEC |
| VLAKANCIC, CONNOR | Republican | Senate, IL | Challenger or open seat | FEC |
| WALKER, IESHA NICOLE | Democratic | Senate, IL | Challenger or open seat | FEC |
| WALLACE, ERIC M | Republican | Senate, IL | Challenger or open seat | FEC |
| WILSON, WILLIE | OTH | Senate, IL | Challenger or open seat | FEC |
House
| Candidate | Party | Seat | Status | Source |
|---|---|---|---|---|
| BUTLER, CHRISTOPHER | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| CARLSON, ERIC JOSEPH | Republican | House, IL district 1 | Challenger or open seat | FEC |
| COLE, JAHMAL | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| COLLINS, JACQUELINE | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| DAVILO, MITCHEL | OTH | House, IL district 1 | Challenger or open seat | FEC |
| DOWELL, PATRICIA R | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| EMMONS, ROBERT ALEX JR. | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| GAD, SARAH | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| GOODRUM, CASSANDRA ATTORNEY | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| JACKSON, JONATHAN | Democratic | House, IL district 1 | Incumbent | FEC |
| JONES, J DARNELL J.D. | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| LEATHERWOOD, DARNELL | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| MATTHEWS, AMEENA | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| NIX, DARIUS YOREL DEE | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| NORINGTON-REAVES, KARIN M | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| PALMER, ROBERT A | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| PAYNE, MICHAEL AARON | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| PELLEGRINI, RUTH | Independent | House, IL district 1 | Challenger or open seat | FEC |
| PEYTON, BABETTE | Republican | House, IL district 1 | Challenger or open seat | FEC |
| PIPPION MCGRIFF, NYKEA | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| REGNIER, JEFFERY | Republican | House, IL district 1 | Challenger or open seat | FEC |
| ROSNER, TERRE LAYNG | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| RUDBECK, THOMAS | Independent | House, IL district 1 | Challenger or open seat | FEC |
| RUSH, BOBBY LEE | Democratic | House, IL district 1 | Incumbent | FEC |
| SPAULDING, STEPHANY ROSE | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| SPILLER, HOWARD L | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| STEVEN`DEJOIE, STEVEN | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| SWAIN, JONATHAN | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| TAYLOR, KIRBY JEROME BIRGANS- | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| THOMPSON, MICHAEL ANTHONY | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| TILLMAN II, JIMMY LEE | Republican | House, IL district 1 | Challenger or open seat | FEC |
| WHITE, PHILANISE | Republican | House, IL district 1 | Challenger or open seat | FEC |
| WILLIAMS, CHARISE A | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| WRIGHT-MCCULLUM, GLENDA | NON | House, IL district 1 | Challenger or open seat | FEC |
| YOUNG, GENO | Republican | House, IL district 1 | Challenger or open seat | FEC |
| BEALE, ANTHONY A | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| CULTRA, SHANE | Republican | House, IL district 2 | Challenger or open seat | FEC |
| CURRY, JOHN GREGORY | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| JACKSON, JESSE L. JR | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| KELLY, ROBIN | Democratic | House, IL district 2 | Incumbent | FEC |
| LYNCH, THOMAS | Republican | House, IL district 2 | Challenger or open seat | FEC |
| MORROW, JOHN F. | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| RABORN, THERESA | Republican | House, IL district 2 | Challenger or open seat | FEC |
| RAMOS, ASHLEY | Republican | House, IL district 2 | Challenger or open seat | FEC |
| AGUIRRE, JUAN ENRIQUE | Democratic | House, IL district 3 | Challenger or open seat | FEC |
| BURAU, JUSTIN | Republican | House, IL district 3 | Challenger or open seat | FEC |
| CHEHADE, IYMEN | Democratic | House, IL district 3 | Challenger or open seat | FEC |
| DARWISH, RUSH | Democratic | House, IL district 3 | Challenger or open seat | FEC |
| FRICILONE, MIKE | Republican | House, IL district 3 | Challenger or open seat | FEC |
| LIPINSKI, DANIEL WILLIAM WILLIAM | Democratic | House, IL district 3 | Incumbent | FEC |
| MATTHEW, ABRAHAM THOMAS | Democratic | House, IL district 3 | Challenger or open seat | FEC |
| RAMIREZ, DELIA | Democratic | House, IL district 3 | Incumbent | FEC |
| TOMKOWIAK, MATEUSZ | Independent | House, IL district 3 | Challenger or open seat | FEC |
| VILLEGAS, GILBERT | Democratic | House, IL district 3 | Challenger or open seat | FEC |
| FALAKOS, JAMES | Republican | House, IL district 4 | Challenger or open seat | FEC |
| FLORES, SOL | Democratic | House, IL district 4 | Challenger or open seat | FEC |
| GARCIA, JESUS | Democratic | House, IL district 4 | Incumbent | FEC |
| HERSHEY, EDWARD | OTH | House, IL district 4 | Challenger or open seat | FEC |
| ROWLAND VAZQUEZ, NEIL | Democratic | House, IL district 4 | Challenger or open seat | FEC |
| SOLORIO, JESUS EDUARDO JR | Republican | House, IL district 4 | Challenger or open seat | FEC |
| BOWMAN, RALEIGH | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| BURNS, BRIAN | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| CRUZ, JERICO MATIAS | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| HANSON, TOM | Republican | House, IL district 5 | Challenger or open seat | FEC |
| HUYNH, KHAI-HOAN DAC | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| MCGONIGAL, MALGORZATA | Republican | House, IL district 5 | Challenger or open seat | FEC |
| QUIGLEY, MIKE | Democratic | House, IL district 5 | Incumbent | FEC |
| SCHWARTZBERG, STEVE J | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| CASTEN, SEAN | Democratic | House, IL district 6 | Incumbent | FEC |
| CONFORTI, NIKI | Republican | House, IL district 6 | Challenger or open seat | FEC |
| COOLIDGE, LESLIE ANNE | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| CRUZ, ROBERT 'ROB' | Republican | House, IL district 6 | Challenger or open seat | FEC |
| GRASSO, GARY | Republican | House, IL district 6 | Challenger or open seat | FEC |
| HUGHES, CHARLES M | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| IVES, JEANNE | Republican | House, IL district 6 | Challenger or open seat | FEC |
| KASPAR, SCOTT RICHARD | Republican | House, IL district 6 | Challenger or open seat | FEC |
| MARSHALL, ROBERT | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| MAZESKI, KELLY | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| NEWMAN, MARIE | Democratic | House, IL district 6 | Incumbent | FEC |
| O'SHEA, CATHERINE ANNE | Republican | House, IL district 6 | Challenger or open seat | FEC |
| OSTMAN, JOHN ALBIN | Republican | House, IL district 6 | Challenger or open seat | FEC |
| PEKAU, KEITH | Republican | House, IL district 6 | Challenger or open seat | FEC |
| ROSKAM, PETER | Republican | House, IL district 6 | Incumbent | FEC |
| CAMERON, CRAIG | Republican | House, IL district 7 | Challenger or open seat | FEC |
| CLARK, ANTHONY | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| COLLINS, KINA | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| DAVIS, DANNY K. | Democratic | House, IL district 7 | Incumbent | FEC |
| KOPPIE, CHAD | Republican | House, IL district 7 | Challenger or open seat | FEC |
| MENDENHALL, DENARVIS C | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| SCHANBACHER, KRISTINE | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| WALKER, IESHA NICOLE | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| AHMED, JUNAID | Democratic | House, IL district 8 | Challenger or open seat | FEC |
| DARGIS, CHRISTOPHER BRYANT | Republican | House, IL district 8 | Challenger or open seat | FEC |
| FAHEEM, MOHAMMED | Democratic | House, IL district 8 | Challenger or open seat | FEC |
| KOLODZIEJ, KAREN | Republican | House, IL district 8 | Challenger or open seat | FEC |
| KOPSAFTIS, PETER | Republican | House, IL district 8 | Challenger or open seat | FEC |
| KRISHNAMOORTHI, S. RAJA | Democratic | House, IL district 8 | Incumbent | FEC |
| MCSWEENEY, DAVID | Republican | House, IL district 8 | Challenger or open seat | FEC |
| WOOD, PHILLIP OWEN | Republican | House, IL district 8 | Challenger or open seat | FEC |
| MARTIN, BRADLEY | Republican | House, IL district 9 | Challenger or open seat | FEC |
| RICE, MAXWELL | Republican | House, IL district 9 | Challenger or open seat | FEC |
| SANGARI, SARGIS | Republican | House, IL district 9 | Challenger or open seat | FEC |
| SCHAKOWSKY, JANICE D | Democratic | House, IL district 9 | Incumbent | FEC |
| T. HELDUT, ANDREW | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| BENNETT, DOUGLAS R 1963 | Republican | House, IL district 10 | Challenger or open seat | FEC |
| BROAD, ADAM | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| DOLD, ROBERT JAMES JR | Republican | House, IL district 10 | Incumbent | FEC |
| MUKHERJEE, VALERIE RAMIREZ | Republican | House, IL district 10 | Challenger or open seat | FEC |
| NOWAK, KIM | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| RODKIN ROTERING, NANCY | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| SCHNEIDER, BRADLEY S. | Democratic | House, IL district 10 | Incumbent | FEC |
| SEVERINO, JOSEPH | Independent | House, IL district 10 | Challenger or open seat | FEC |
| SUMPTION, MILTON J | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| WANG, ANDREW | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| BANSAL, KRISHNA K | Republican | House, IL district 11 | Challenger or open seat | FEC |
| BIGGERT, JUDY | Republican | House, IL district 11 | Challenger or open seat | FEC |
| CARROLL, MARK JOSEPH | Republican | House, IL district 11 | Challenger or open seat | FEC |
| CARROLL, MARK JOSEPH | Republican | House, IL district 11 | Challenger or open seat | FEC |
| FOSTER, G. WILLIAM (BILL) | Democratic | House, IL district 11 | Incumbent | FEC |
| GREEN, GRACE KELLY | Republican | House, IL district 11 | Challenger or open seat | FEC |
| HATHAWAY-ALTMAN, SUSAN | Republican | House, IL district 11 | Challenger or open seat | FEC |
| HEEG, ANDREA | Republican | House, IL district 11 | Challenger or open seat | FEC |
| KHOURI, TONIA | Republican | House, IL district 11 | Challenger or open seat | FEC |
| LAIB, RICK | Republican | House, IL district 11 | Challenger or open seat | FEC |
| LAUF, CATALINA | Republican | House, IL district 11 | Challenger or open seat | FEC |
| MILLER, CASSANDRA TANNER | Republican | House, IL district 11 | Challenger or open seat | FEC |
| PIERCE, MICHAEL DAVID LTC (RET.) | Republican | House, IL district 11 | Challenger or open seat | FEC |
| RAMOS, JUAN | Republican | House, IL district 11 | Challenger or open seat | FEC |
| RAMOS, JUAN | Republican | House, IL district 11 | Challenger or open seat | FEC |
| RAMOS, JUAN | Republican | House, IL district 11 | Challenger or open seat | FEC |
| RAMOS, JUAN | Republican | House, IL district 11 | Challenger or open seat | FEC |
| RAMOS, JUAN | Republican | House, IL district 11 | Challenger or open seat | FEC |
| ROBBINS, CRAIG | Republican | House, IL district 11 | Challenger or open seat | FEC |
| SEPPELFRICK, DEAN ALLEN | Republican | House, IL district 11 | Challenger or open seat | FEC |
| BARICEVIC, CHARLES JOHN | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| BOST, MICHAEL | Republican | House, IL district 12 | Incumbent | FEC |
| COSTELLO, JERRY F | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| DOOFENSHMIRTZ, HEINZ R | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| DOOFENSHMIRTZ, HEINZ R | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| DOOFENSHMIRTZ, HEINZ R | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| DOOFENSHMIRTZ, HEINZ R | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| FUNK, JOEL DAVID | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| LENZI, RAYMOND CARL | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| MARKEL, HOMER CHIP | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| NELSON, PRESTON | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| QUALIS, JOSHUA | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| RICHARDSON, KEITH GARTH RABBI | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| BUDZINSKI, NIKKI | Democratic | House, IL district 13 | Incumbent | FEC |
| DEERING, REGAN | Republican | House, IL district 13 | Challenger or open seat | FEC |
| FOSTER, NANCY | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| HAUSMAN, MATT | Republican | House, IL district 13 | Challenger or open seat | FEC |
| HORGES, BRADLEY JR | W | House, IL district 13 | Challenger or open seat | FEC |
| HORGES, BRADLEY JR | W | House, IL district 13 | Challenger or open seat | FEC |
| JOHNSON, TIMOTHY V | Republican | House, IL district 13 | Challenger or open seat | FEC |
| LONDRIGAN, BETSY DIRKSEN | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| MARTIN, TERRY | Republican | House, IL district 13 | Challenger or open seat | FEC |
| PALMER, DAVID | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| REISING, JESSE | Republican | House, IL district 13 | Challenger or open seat | FEC |
| SMITH, STEFANIE | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| TAYLOR, ELLIS EVERETT | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| GRYDER, SCOTT | Republican | House, IL district 14 | Challenger or open seat | FEC |
| HULTGREN, RANDY | Republican | House, IL district 14 | Incumbent | FEC |
| KOOLIDGE, MICHAEL | Republican | House, IL district 14 | Challenger or open seat | FEC |
| LAUZEN, CHRIS | Republican | House, IL district 14 | Challenger or open seat | FEC |
| LOMBARDI, JACK II | Republican | House, IL district 14 | Challenger or open seat | FEC |
| MALOUF, DANIEL | Republican | House, IL district 14 | Challenger or open seat | FEC |
| MARTER, JAMES THOMAS | Republican | House, IL district 14 | Challenger or open seat | FEC |
| MLTON, JAIME | Republican | House, IL district 14 | Challenger or open seat | FEC |
| OBERWEIS, JIM | Republican | House, IL district 14 | Challenger or open seat | FEC |
| QUIGLEY, MATTHEW MARK | Republican | House, IL district 14 | Challenger or open seat | FEC |
| REZIN, SUE | Republican | House, IL district 14 | Challenger or open seat | FEC |
| STARRETT, SUSAN | Republican | House, IL district 14 | Challenger or open seat | FEC |
| UNDERWOOD, LAUREN | Democratic | House, IL district 14 | Incumbent | FEC |
| WILSON, BARRY | Independent | House, IL district 14 | Challenger or open seat | FEC |
| DAVIS, RODNEY L | Republican | House, IL district 15 | Incumbent | FEC |
| DUNCAN, DARREN | Republican | House, IL district 15 | Challenger or open seat | FEC |
| FULLER, LORI | Republican | House, IL district 15 | Challenger or open seat | FEC |
| GAITHER, KEVIN | Democratic | House, IL district 15 | Challenger or open seat | FEC |
| GRAY, KENT | Republican | House, IL district 15 | Challenger or open seat | FEC |
| HURSEY, JOHN WESLEY JR | Democratic | House, IL district 15 | Challenger or open seat | FEC |
| LANGE, PAUL | Democratic | House, IL district 15 | Challenger or open seat | FEC |
| LANGE, PAUL J | Democratic | House, IL district 15 | Challenger or open seat | FEC |
| MCCARTER, KYLE | Republican | House, IL district 15 | Challenger or open seat | FEC |
| MILLER, MARY | Republican | House, IL district 15 | Incumbent | FEC |
| SHIMKUS, JOHN M | Republican | House, IL district 15 | Incumbent | FEC |
| WALKER, ALEX | Republican | House, IL district 15 | Challenger or open seat | FEC |
| WEAVER, ERIKA C | Democratic | House, IL district 15 | Challenger or open seat | FEC |
| WOLFF, KERRY ALLEN | Republican | House, IL district 15 | Challenger or open seat | FEC |
| BRZOZOWSKI, DANI | Democratic | House, IL district 16 | Challenger or open seat | FEC |
| GUILLEMETTE, JOANNE | Republican | House, IL district 16 | Challenger or open seat | FEC |
| HADERLEIN, ELIZABETH | Democratic | House, IL district 16 | Challenger or open seat | FEC |
| HORGES, BRADLEY LAMAR JR. | W | House, IL district 16 | Challenger or open seat | FEC |
| KINZINGER, ADAM | Republican | House, IL district 16 | Incumbent | FEC |
| KOPROWSKI, GENE REV. | Republican | House, IL district 16 | Challenger or open seat | FEC |
| LAHOOD, DARIN MCKAY | Republican | House, IL district 16 | Incumbent | FEC |
| MOHAMMAD, NEILL | Democratic | House, IL district 16 | Challenger or open seat | FEC |
| PETERS, WALT | Republican | House, IL district 16 | Challenger or open seat | FEC |
| REBRESH, MICHAEL STEPHAN | Republican | House, IL district 16 | Challenger or open seat | FEC |
| ALLEN, COREY | Republican | House, IL district 17 | Challenger or open seat | FEC |
| BUSTOS, CHERI | Democratic | House, IL district 17 | Incumbent | FEC |
| EDWARDS, SPANKY | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| FARRELL, EUGENE | Republican | House, IL district 17 | Challenger or open seat | FEC |
| FAWELL, WILLIAM W | Republican | House, IL district 17 | Challenger or open seat | FEC |
| HARLAN, PATRICK | Republican | House, IL district 17 | Challenger or open seat | FEC |
| HELMICK, CHARLES WILLIAM JR | Republican | House, IL district 17 | Challenger or open seat | FEC |
| HELMICK, CHARLIE | Republican | House, IL district 17 | Challenger or open seat | FEC |
| KING, ESTHER JOY | Republican | House, IL district 17 | Challenger or open seat | FEC |
| LOGEMANN, JONATHAN | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| MCGOWAN, JACQUELINE MARIE | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| MCNEELY, LINDA | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| MORRIS, SPENCE EDMUND III | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| NORMOYLE, ANGELA H. | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| PARKER, GENERAL | Independent | House, IL district 17 | Challenger or open seat | FEC |
| PFAFF, TERESA MARIE | Republican | House, IL district 17 | Challenger or open seat | FEC |
| SCHILLING, ROBERT T. | Republican | House, IL district 17 | Challenger or open seat | FEC |
| SORENSEN, ERIC | Democratic | House, IL district 17 | Incumbent | FEC |
| SWISHER, WILLIAM CRAIG | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| THOMAS, KERMIT ELLIOTT JR. | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| WALLACE, LITESA | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| WILLIAMS, MARSHA VIRIGINIA | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| PETRILLI, GEORGE | Democratic | House, IL district 18 | Challenger or open seat | FEC |
| RIENTS, DONALD | Republican | House, IL district 18 | Challenger or open seat | FEC |
| SCHOCK, AARON JON | Republican | House, IL district 18 | Incumbent | FEC |
| SWANSON, MICHAEL A | Democratic | House, IL district 18 | Challenger or open seat | FEC |
| ENGLAND, BRIGHTON | ICD | House, IL district 19 | Challenger or open seat | FEC |
| GORDON, MICHAEL FREDERICK | ICD | House, IL district 22 | Challenger or open seat | FEC |
| THAMES, MATHEW GERALD | ICD | House, IL district 27 | Challenger or open seat | FEC |
2019–2020 cycle
Senate
| Candidate | Party | Seat | Status | Source |
|---|---|---|---|---|
| AGUN, BURAK | Republican | Senate, IL | Challenger or open seat | FEC |
| BLACK, DAVID F. | Green | Senate, IL | Challenger or open seat | FEC |
| CHLEBEK, CASEY | Republican | Senate, IL | Challenger or open seat | FEC |
| CURRAN, MARK | Republican | Senate, IL | Challenger or open seat | FEC |
| DUCKWORTH, L. TAMMY | Democratic | Senate, IL | Incumbent | FEC |
| DURBIN, RICHARD J. | Democratic | Senate, IL | Incumbent | FEC |
| FEGES, PATRICK | Independent | Senate, IL | Challenger or open seat | FEC |
| HARRIS, NAPOLEON | Democratic | Senate, IL | Challenger or open seat | FEC |
| HUBBARD, PEGGY | Republican | Senate, IL | Challenger or open seat | FEC |
| JORDAN LAWLOR, MARILYN | Democratic | Senate, IL | Challenger or open seat | FEC |
| MALOUF, DANIEL | Libertarian | Senate, IL | Challenger or open seat | FEC |
| MARSHALL, ROBERT | Republican | Senate, IL | Challenger or open seat | FEC |
| MARTER, JAMES THOMAS | Republican | Senate, IL | Challenger or open seat | FEC |
| NELSON, PRESTON GABRIEL | Republican | Senate, IL | Challenger or open seat | FEC |
| OBERWEIS, JAMES D "JIM" | Republican | Senate, IL | Challenger or open seat | FEC |
| RUSHING, JULE | UN | Senate, IL | Challenger or open seat | FEC |
| SEPPELFRICK DEAN A | Republican | Senate, IL | Challenger or open seat | FEC |
| STAVA-MURRAY, ANNE MICHELE MOST RECEN | Democratic | Senate, IL | Challenger or open seat | FEC |
| TARTER, THOMAS | Republican | Senate, IL | Challenger or open seat | FEC |
| TRUAX, DOUGLAS LEE | Republican | Senate, IL | Challenger or open seat | FEC |
| VLAKANCIC, CONNOR | Republican | Senate, IL | Challenger or open seat | FEC |
| WILSON, WILLIE | OTH | Senate, IL | Challenger or open seat | FEC |
House
| Candidate | Party | Seat | Status | Source |
|---|---|---|---|---|
| CATALANO, THOMAS | OTH | House, IL district 1 | Challenger or open seat | FEC |
| EMMONS, ROBERT ALEX JR. | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| GAD, SARAH | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| LEATHERWOOD, DARNELL | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| MATTHEWS, AMEENA | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| PELLEGRINI, RUTH | Independent | House, IL district 1 | Challenger or open seat | FEC |
| RUDBECK, THOMAS | Independent | House, IL district 1 | Challenger or open seat | FEC |
| RUSH, BOBBY LEE | Democratic | House, IL district 1 | Incumbent | FEC |
| TILLMAN II, JIMMY LEE | Republican | House, IL district 1 | Challenger or open seat | FEC |
| WHITE, PHILANISE | Republican | House, IL district 1 | Challenger or open seat | FEC |
| WRIGHT-MCCULLUM, GLENDA | NON | House, IL district 1 | Challenger or open seat | FEC |
| BEALE, ANTHONY A | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| JACKSON, JESSE L. JR | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| KELLY, ROBIN | Democratic | House, IL district 2 | Incumbent | FEC |
| MORROW, JOHN F. | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| RABORN, THERESA | Republican | House, IL district 2 | Challenger or open seat | FEC |
| DARWISH, RUSH | Democratic | House, IL district 3 | Challenger or open seat | FEC |
| FRICILONE, MIKE | Republican | House, IL district 3 | Challenger or open seat | FEC |
| HANSON, JUSTIN | Independent | House, IL district 3 | Challenger or open seat | FEC |
| JONES, ARTHUR J. | Republican | House, IL district 3 | Challenger or open seat | FEC |
| LIPINSKI, DANIEL WILLIAM WILLIAM | Democratic | House, IL district 3 | Incumbent | FEC |
| MATTHEW, ABRAHAM THOMAS | Democratic | House, IL district 3 | Challenger or open seat | FEC |
| TOMKOWIAK, MATEUSZ | Independent | House, IL district 3 | Challenger or open seat | FEC |
| FLORES, MANUEL | Democratic | House, IL district 4 | Challenger or open seat | FEC |
| FLORES, SOL | Democratic | House, IL district 4 | Challenger or open seat | FEC |
| GARCIA, JESUS | Democratic | House, IL district 4 | Incumbent | FEC |
| GUTIERREZ, LUIS V | Democratic | House, IL district 4 | Incumbent | FEC |
| LASKY, CHISTOPHER | Republican | House, IL district 4 | Challenger or open seat | FEC |
| LORCH, MARK WAYNE | Republican | House, IL district 4 | Challenger or open seat | FEC |
| RAMIREZ-ROSA, CARLOS | Democratic | House, IL district 4 | Challenger or open seat | FEC |
| ROWLAND VAZQUEZ, NEIL | Democratic | House, IL district 4 | Challenger or open seat | FEC |
| SOLORIO, JESUS EDUARDO JR | Republican | House, IL district 4 | Challenger or open seat | FEC |
| BOWMAN, RALEIGH | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| BURNS, BRIAN | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| HANSON, TOM | Republican | House, IL district 5 | Challenger or open seat | FEC |
| LADIEN, KIMBALL | Republican | House, IL district 5 | Challenger or open seat | FEC |
| QUIGLEY, MIKE | Democratic | House, IL district 5 | Incumbent | FEC |
| SANDERMAN, ISAIAH | Independent | House, IL district 5 | Challenger or open seat | FEC |
| SCHWARTZBERG, STEVE J | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| WILDA, THOMAS J. | Green | House, IL district 5 | Challenger or open seat | FEC |
| CASTEN, SEAN | Democratic | House, IL district 6 | Incumbent | FEC |
| CHENEY, CAROLE | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| COOLIDGE, LESLIE ANNE | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| HUGHES, CHARLES M | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| IVES, JEANNE | Republican | House, IL district 6 | Challenger or open seat | FEC |
| KINZLER, GORDON J | Republican | House, IL district 6 | Challenger or open seat | FEC |
| MARSHALL, ROBERT | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| MAZESKI, KELLY | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| NEWMAN, MARIE | Democratic | House, IL district 6 | Incumbent | FEC |
| O'SHEA, CATHERINE ANNE | Republican | House, IL district 6 | Challenger or open seat | FEC |
| PETZEL, GEOFFREY AISIN | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| REDPATH, BILL | Libertarian | House, IL district 6 | Challenger or open seat | FEC |
| ROSKAM, PETER | Republican | House, IL district 6 | Incumbent | FEC |
| SANGUINETTI, EVELYN | Republican | House, IL district 6 | Challenger or open seat | FEC |
| ZORDANI, JENNIFER | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| CAMERON, CRAIG | Republican | House, IL district 7 | Challenger or open seat | FEC |
| CLARK, ANTHONY | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| COLLINS, KINA | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| DAVIS, DANNY K. | Democratic | House, IL district 7 | Incumbent | FEC |
| JENNINGS, TRACY | None | House, IL district 7 | Challenger or open seat | FEC |
| SCHANBACHER, KRISTINE | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| DIGANVKER, JITENDRA JD | Republican | House, IL district 8 | Challenger or open seat | FEC |
| HUSSAIN, INAM | Democratic | House, IL district 8 | Challenger or open seat | FEC |
| KRISHNAMOORTHI, S. RAJA | Democratic | House, IL district 8 | Incumbent | FEC |
| MCSWEENEY, DAVID | Republican | House, IL district 8 | Challenger or open seat | FEC |
| OLSON, WILLIAM | Democratic | House, IL district 8 | Challenger or open seat | FEC |
| ELLESON, JOHN | Republican | House, IL district 9 | Challenger or open seat | FEC |
| RICE, MAXWELL | Republican | House, IL district 9 | Challenger or open seat | FEC |
| SANGARI, SARGIS | Republican | House, IL district 9 | Challenger or open seat | FEC |
| SCHAKOWSKY, JANICE D | Democratic | House, IL district 9 | Incumbent | FEC |
| SOLLICH, MICHAEL | Republican | House, IL district 9 | Challenger or open seat | FEC |
| TARNASIEWICZ-HELDUT, ANDREW | Democratic | House, IL district 9 | Challenger or open seat | FEC |
| THOMAS, DARRYL VINCENT OBSTERGA JR. | Republican | House, IL district 9 | Challenger or open seat | FEC |
| BENNETT, DOUGLAS R 1963 | Republican | House, IL district 10 | Challenger or open seat | FEC |
| BROAD, ADAM | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| DOLD, ROBERT JAMES JR | Republican | House, IL district 10 | Incumbent | FEC |
| HEINZ, BRADLEY SIGMUND | Independent | House, IL district 10 | Challenger or open seat | FEC |
| MUKHERJEE, VALERIE RAMIREZ | Republican | House, IL district 10 | Challenger or open seat | FEC |
| RODKIN ROTERING, NANCY | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| RUTAGWIBIRA, ALOYS | Republican | House, IL district 10 | Challenger or open seat | FEC |
| SCHNEIDER, BRADLEY S. | Democratic | House, IL district 10 | Incumbent | FEC |
| SEVERINO, JOSEPH | Independent | House, IL district 10 | Challenger or open seat | FEC |
| SUMPTION, MILTON J | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| WANG, ANDREW | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| BANSAL, KRISHNA K | Republican | House, IL district 11 | Challenger or open seat | FEC |
| BIGGERT, JUDY | Republican | House, IL district 11 | Challenger or open seat | FEC |
| EVANS, JERRY | Republican | House, IL district 11 | Challenger or open seat | FEC |
| FOSTER, G. WILLIAM (BILL) | Democratic | House, IL district 11 | Incumbent | FEC |
| KHOURI, TONIA | Republican | House, IL district 11 | Challenger or open seat | FEC |
| LAIB, RICK | Republican | House, IL district 11 | Challenger or open seat | FEC |
| ROBBINS, CRAIG | Republican | House, IL district 11 | Challenger or open seat | FEC |
| SENGER, DARLENE | Republican | House, IL district 11 | Challenger or open seat | FEC |
| STELLA, DOMINICK J. M.D. | Republican | House, IL district 11 | Challenger or open seat | FEC |
| VENTURA, RACHEL F | Democratic | House, IL district 11 | Challenger or open seat | FEC |
| AUXIER, RANDY | Green | House, IL district 12 | Challenger or open seat | FEC |
| BARICEVIC, CHARLES JOHN | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| BEQUETTE, DAVID ALLAN | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| BOEVING, BRIAN J | FED | House, IL district 12 | Challenger or open seat | FEC |
| BOST, MICHAEL | Republican | House, IL district 12 | Incumbent | FEC |
| COSTELLO, JERRY F | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| FUNK, JOEL DAVID | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| KELLY, BRENDAN | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| KING, ADAM JOSHUA | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| LENZI, RAYMOND CARL | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| NELSON, PRESTON | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| RUSHING, JULE | UN | House, IL district 12 | Challenger or open seat | FEC |
| JOHNSON, TIMOTHY V | Republican | House, IL district 13 | Challenger or open seat | FEC |
| LONDRIGAN, BETSY DIRKSEN | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| SIDES, ANGLE | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| SMITH, STEFANIE | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| WEBB, BENJAMIN ADAM | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| BROLLEY, MATT | Democratic | House, IL district 14 | Challenger or open seat | FEC |
| CATELLA, ANTHONY | Republican | House, IL district 14 | Challenger or open seat | FEC |
| GRADEL, TED | Republican | House, IL district 14 | Challenger or open seat | FEC |
| HULTGREN, RANDY | Republican | House, IL district 14 | Incumbent | FEC |
| LAUF, CATALINA | Republican | House, IL district 14 | Challenger or open seat | FEC |
| LAUZEN, CHRIS | Republican | House, IL district 14 | Challenger or open seat | FEC |
| MALOUF, DANIEL | Republican | House, IL district 14 | Challenger or open seat | FEC |
| MARTER, JAMES THOMAS | Republican | House, IL district 14 | Challenger or open seat | FEC |
| OBERWEIS, JIM | Republican | House, IL district 14 | Challenger or open seat | FEC |
| QUIGLEY, MATTHEW MARK | Republican | House, IL district 14 | Challenger or open seat | FEC |
| REZIN, SUE | Republican | House, IL district 14 | Challenger or open seat | FEC |
| UNDERWOOD, LAUREN | Democratic | House, IL district 14 | Incumbent | FEC |
| WALZ, JIM | Democratic | House, IL district 14 | Challenger or open seat | FEC |
| BAMBENEK, JOHN CHRISTIAN | Republican | House, IL district 15 | Challenger or open seat | FEC |
| DAVIS, RODNEY L | Republican | House, IL district 15 | Incumbent | FEC |
| DUNCAN, DARREN | Republican | House, IL district 15 | Challenger or open seat | FEC |
| ELLINGTON, CHARLES RICHARD JR. | Republican | House, IL district 15 | Challenger or open seat | FEC |
| FULLER, LORI | Republican | House, IL district 15 | Challenger or open seat | FEC |
| GAITHER, KEVIN | Democratic | House, IL district 15 | Challenger or open seat | FEC |
| GRAY, KENT | Republican | House, IL district 15 | Challenger or open seat | FEC |
| HURSEY, JOHN WESLEY JR | Democratic | House, IL district 15 | Challenger or open seat | FEC |
| LANE, JACOB P | Republican | House, IL district 15 | Challenger or open seat | FEC |
| MCCARTER, KYLE | Republican | House, IL district 15 | Challenger or open seat | FEC |
| MCCUAN, RON | Republican | House, IL district 15 | Challenger or open seat | FEC |
| MILLER, MARY | Republican | House, IL district 15 | Incumbent | FEC |
| MORTON, CRAIG | Democratic | House, IL district 15 | Challenger or open seat | FEC |
| SHIMKUS, JOHN M | Republican | House, IL district 15 | Incumbent | FEC |
| WALKER, ALEX | Republican | House, IL district 15 | Challenger or open seat | FEC |
| WEAVER, ERIKA C | Democratic | House, IL district 15 | Challenger or open seat | FEC |
| WOLFF, KERRY ALLEN | Republican | House, IL district 15 | Challenger or open seat | FEC |
| ARROYAVE, NATHAN | Democratic | House, IL district 16 | Challenger or open seat | FEC |
| BAER, BENJAMIN MICHAEL | Democratic | House, IL district 16 | Challenger or open seat | FEC |
| BRIEL, AMY | Democratic | House, IL district 16 | Challenger or open seat | FEC |
| BRZOZOWSKI, DANI | Democratic | House, IL district 16 | Challenger or open seat | FEC |
| DADY, SARA | Democratic | House, IL district 16 | Challenger or open seat | FEC |
| KINZINGER, ADAM | Republican | House, IL district 16 | Incumbent | FEC |
| LAHOOD, DARIN MCKAY | Republican | House, IL district 16 | Incumbent | FEC |
| MOHAMMAD, NEILL | Democratic | House, IL district 16 | Challenger or open seat | FEC |
| OWENS, KYLE LEE MASTER | Independent | House, IL district 16 | Challenger or open seat | FEC |
| BUSTOS, CHERI | Democratic | House, IL district 17 | Incumbent | FEC |
| EDWARDS, SPANKY | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| FARRELL, EUGENE | Republican | House, IL district 17 | Challenger or open seat | FEC |
| FAWELL, WILLIAM W | Republican | House, IL district 17 | Challenger or open seat | FEC |
| HARLAN, PATRICK | Republican | House, IL district 17 | Challenger or open seat | FEC |
| HELMICK, CHARLES WILLIAM JR | Republican | House, IL district 17 | Challenger or open seat | FEC |
| KING, ESTHER JOY | Republican | House, IL district 17 | Challenger or open seat | FEC |
| PARKER, GENERAL | Independent | House, IL district 17 | Challenger or open seat | FEC |
| SCHILLING, ROBERT T. | Republican | House, IL district 17 | Challenger or open seat | FEC |
| SWISHER, WILLIAM CRAIG | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| WILLIAMS, MARSHA VIRIGINIA | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| ZASTROW, THOMAS ALVIN | Republican | House, IL district 17 | Challenger or open seat | FEC |
| DETERS, BRIAN | Democratic | House, IL district 18 | Challenger or open seat | FEC |
| HAASIS, MARK | Democratic | House, IL district 18 | Challenger or open seat | FEC |
| PETRILLI, GEORGE | Democratic | House, IL district 18 | Challenger or open seat | FEC |
| RIENTS, DONALD | Republican | House, IL district 18 | Challenger or open seat | FEC |
| RODRIGUEZ, JUNIUS | Democratic | House, IL district 18 | Challenger or open seat | FEC |
| SCHOCK, AARON JON | Republican | House, IL district 18 | Incumbent | FEC |
2017–2018 cycle
Senate
| Candidate | Party | Seat | Status | Source |
|---|---|---|---|---|
| BROWN, JAMES P | Independent | Senate, IL | Challenger or open seat | FEC |
| CONKLIN, ERIC MICHAEL | Independent | Senate, IL | Challenger or open seat | FEC |
| DUCKWORTH, L. TAMMY | Democratic | Senate, IL | Incumbent | FEC |
| DURBIN, RICHARD J. | Democratic | Senate, IL | Incumbent | FEC |
| FITZSIMMONS, KENT EDWARD | Democratic | Senate, IL | Challenger or open seat | FEC |
| HANSEN, SHARON N | Libertarian | Senate, IL | Challenger or open seat | FEC |
| HARRIS, NAPOLEON | Democratic | Senate, IL | Challenger or open seat | FEC |
| HUBBARD, THOMAS ELIJAH | Democratic | Senate, IL | Challenger or open seat | FEC |
| KEYES, ALAN L | Republican | Senate, IL | Challenger or open seat | FEC |
| KIRK, MARK STEVEN | Republican | Senate, IL | Incumbent | FEC |
| KUNA, THOMAS JAMES | Republican | Senate, IL | Challenger or open seat | FEC |
| MARSHALL, ROBERT | Republican | Senate, IL | Challenger or open seat | FEC |
| MARTER, JAMES THOMAS | Republican | Senate, IL | Challenger or open seat | FEC |
| MARTIN, ANDY | REF | Senate, IL | Challenger or open seat | FEC |
| OBERWEIS, JAMES D "JIM" | Republican | Senate, IL | Challenger or open seat | FEC |
| RICHARDSON, ISRAEL K GARTH | Democratic | Senate, IL | Challenger or open seat | FEC |
| TRUAX, DOUGLAS LEE | Republican | Senate, IL | Challenger or open seat | FEC |
| ZADEK, ROBERT LAWERENCE | Republican | Senate, IL | Challenger or open seat | FEC |
| ZOPP, ANDREA | Democratic | Senate, IL | Challenger or open seat | FEC |
House
| Candidate | Party | Seat | Status | Source |
|---|---|---|---|---|
| ALEXANDER, JEREMY | Democratic | House, IL | Challenger or open seat | FEC |
| JOHNSON, KENNETH LAMAR | Democratic | House, IL | Challenger or open seat | FEC |
| BAILEY, HAROLD L. | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| BROOKINS, HOWARD | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| DEUSER, AUGUST (O'NEILL) | Republican | House, IL district 1 | Challenger or open seat | FEC |
| DRUMMER, DEMOND | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| LEWIS, MARCUS | Republican | House, IL district 1 | Challenger or open seat | FEC |
| MEMBERS, ANTOINE | Republican | House, IL district 1 | Challenger or open seat | FEC |
| RUDBECK, THOMAS | Independent | House, IL district 1 | Challenger or open seat | FEC |
| RUSH, BOBBY LEE | Democratic | House, IL district 1 | Incumbent | FEC |
| SMITH, FREDERICK | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| STEWART, JON | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| TILLMAN II, JIMMY LEE | Republican | House, IL district 1 | Challenger or open seat | FEC |
| TILLMAN, JIMMY LEE | Republican | House, IL district 1 | Challenger or open seat | FEC |
| BEALE, ANTHONY A | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| EAGLETON, CLIFFORD J | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| HARMON, PATRICK | Republican | House, IL district 2 | Challenger or open seat | FEC |
| JACKSON, JESSE L. JR | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| JONES, LEALAN M | Green | House, IL district 2 | Challenger or open seat | FEC |
| KELLY, ROBIN | Democratic | House, IL district 2 | Incumbent | FEC |
| LEWIS, MARCUS | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| MERKLE, DAVID | Republican | House, IL district 2 | Challenger or open seat | FEC |
| MORROW, JOHN F. | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| FALVEY, JAMES M | Republican | House, IL district 3 | Challenger or open seat | FEC |
| HANSON, JUSTIN | Independent | House, IL district 3 | Challenger or open seat | FEC |
| JOHNSON, KAREN M | Independent | House, IL district 3 | Challenger or open seat | FEC |
| JONES, ARTHUR J. | Republican | House, IL district 3 | Challenger or open seat | FEC |
| LIPINSKI, DANIEL WILLIAM WILLIAM | Democratic | House, IL district 3 | Incumbent | FEC |
| STEPP, THOMAS ZANE | Republican | House, IL district 3 | Challenger or open seat | FEC |
| TOMKOWIAK, MATEUSZ | Independent | House, IL district 3 | Challenger or open seat | FEC |
| CONCEPCION, HECTOR L | Republican | House, IL district 4 | Challenger or open seat | FEC |
| FLORES, MANUEL | Democratic | House, IL district 4 | Challenger or open seat | FEC |
| FLORES, SOL | Democratic | House, IL district 4 | Challenger or open seat | FEC |
| GARCIA, JESUS | Democratic | House, IL district 4 | Incumbent | FEC |
| GONZALEZ, RICHARD | Democratic | House, IL district 4 | Challenger or open seat | FEC |
| GUTIERREZ, LUIS V | Democratic | House, IL district 4 | Incumbent | FEC |
| LOPEZ, RAYMOND | Democratic | House, IL district 4 | Challenger or open seat | FEC |
| LORCH, MARK WAYNE | Republican | House, IL district 4 | Challenger or open seat | FEC |
| LYONS, MARK WAYNE | Republican | House, IL district 4 | Challenger or open seat | FEC |
| MELICHAR, ANN | Republican | House, IL district 4 | Challenger or open seat | FEC |
| MORENO, PROC "JOE" | Democratic | House, IL district 4 | Challenger or open seat | FEC |
| RAMIREZ-ROSA, CARLOS | Democratic | House, IL district 4 | Challenger or open seat | FEC |
| REYES, JAY | Republican | House, IL district 4 | Challenger or open seat | FEC |
| ROWLAND VAZQUEZ, NEIL | Democratic | House, IL district 4 | Challenger or open seat | FEC |
| SANCHEZ, RUBEN D., JR. | Republican | House, IL district 4 | Challenger or open seat | FEC |
| AUGUSTSON, ALAN | Green | House, IL district 5 | Challenger or open seat | FEC |
| BARZ, MICHAEL THOMAS | W | House, IL district 5 | Challenger or open seat | FEC |
| BEDELL, GREGORY A | Republican | House, IL district 5 | Challenger or open seat | FEC |
| HANSON, TOM | Republican | House, IL district 5 | Challenger or open seat | FEC |
| KAY, DANIEL S (KARKUSIEWICZ) | Republican | House, IL district 5 | Challenger or open seat | FEC |
| KHAN, MOHAMMADALI D | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| KOLBER, VINCE | Republican | House, IL district 5 | Challenger or open seat | FEC |
| MUSTAFA, SAMEENA | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| QUIGLEY, MIKE | Democratic | House, IL district 5 | Incumbent | FEC |
| REICHEL, MATTHEW | Green | House, IL district 5 | Challenger or open seat | FEC |
| SCHWARTZBERG, STEVE J | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| THOMPSON, ROGER | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| VARTANIAN, JOEY | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| VASQUEZ, ISRAEL C | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| WOLF, BENJAMIN | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| CASTEN, SEAN | Democratic | House, IL district 6 | Incumbent | FEC |
| CHENEY, CAROLE | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| COOLIDGE, LESLIE ANNE | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| HAAF, GRACE | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| HOWLAND, AMANDA | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| HUFFMAN, RYAN | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| MARSHALL, ROBERT | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| MASON, MICHAEL | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| MAZESKI, KELLY | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| NEWMAN, MARIE | Democratic | House, IL district 6 | Incumbent | FEC |
| PETZEL, GEOFFREY AISIN | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| PRICE, SUZYN | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| ROSKAM, PETER | Republican | House, IL district 6 | Incumbent | FEC |
| SONGER, AUSTIN | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| WILKINS, BECKY ANDERSON | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| ZORDANI, JENNIFER | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| ANDERSON, DAVID JOHN | Libertarian | House, IL district 7 | Challenger or open seat | FEC |
| CAMERON, CRAIG | Republican | House, IL district 7 | Challenger or open seat | FEC |
| CLARK, ANTHONY | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| DAVIS, DANNY K. | Democratic | House, IL district 7 | Incumbent | FEC |
| ENYIA, AMARA | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| JENNINGS, TRACY | None | House, IL district 7 | Challenger or open seat | FEC |
| KENNEDY, ABIGAIL | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| LEEF, JEFFREY A. | Republican | House, IL district 7 | Challenger or open seat | FEC |
| LIVINGSTON, GREGORY SEAL | Independent | House, IL district 7 | Challenger or open seat | FEC |
| ROCHE, DANIEL THOMAS | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| SALIM, AHMED | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| WEIMAN, MARK M | Republican | House, IL district 7 | Challenger or open seat | FEC |
| ZAK, RITA | Republican | House, IL district 7 | Challenger or open seat | FEC |
| CULLERTON, TOM | Democratic | House, IL district 8 | Challenger or open seat | FEC |
| DICIANNI, PETER | Republican | House, IL district 8 | Challenger or open seat | FEC |
| DIGANVKER, JITENDRA JD | Republican | House, IL district 8 | Challenger or open seat | FEC |
| DUCKWORTH, L. TAMMY | Democratic | House, IL district 8 | Incumbent | FEC |
| EVANS, RICHARD | Republican | House, IL district 8 | Challenger or open seat | FEC |
| FRASER, WILLIAM E | Independent | House, IL district 8 | Challenger or open seat | FEC |
| GOEL, MANJU | Republican | House, IL district 8 | Challenger or open seat | FEC |
| JACOBS, GREGORY S | Republican | House, IL district 8 | Challenger or open seat | FEC |
| JHINGAN, VANDANA | Republican | House, IL district 8 | Challenger or open seat | FEC |
| KRISHNAMOORTHI, S. RAJA | Democratic | House, IL district 8 | Incumbent | FEC |
| MCSWEENEY, DAVID | Republican | House, IL district 8 | Challenger or open seat | FEC |
| SCHEURER, RANDI | Democratic | House, IL district 8 | Challenger or open seat | FEC |
| STRAW, ANDREW U. D. | DIS | House, IL district 8 | Challenger or open seat | FEC |
| ELLESON, JOHN | Republican | House, IL district 9 | Challenger or open seat | FEC |
| ELLESON, JOHN D. | Republican | House, IL district 9 | Challenger or open seat | FEC |
| LASONDE, JOAN MCCARTHY | Republican | House, IL district 9 | Challenger or open seat | FEC |
| RICE, MAXWELL | Republican | House, IL district 9 | Challenger or open seat | FEC |
| SANGARI, SARGIS | Republican | House, IL district 9 | Challenger or open seat | FEC |
| SCHAKOWSKY, JANICE D | Democratic | House, IL district 9 | Incumbent | FEC |
| THOMAS, DARRYL VINCENT OBSTERGA JR. | Republican | House, IL district 9 | Challenger or open seat | FEC |
| THOMAS, VINCENT D., JR. | Republican | House, IL district 9 | Challenger or open seat | FEC |
| WALLACE, S RON | Republican | House, IL district 9 | Challenger or open seat | FEC |
| WILLIAMS, DAVID EARL III | Independent | House, IL district 9 | Challenger or open seat | FEC |
| BENNETT, DOUGLAS R 1963 | Republican | House, IL district 10 | Challenger or open seat | FEC |
| DOLD, ROBERT JAMES JR | Republican | House, IL district 10 | Incumbent | FEC |
| FOOTLIK, JAY K | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| KOPSICK, JOSEPH WILLIAM | OTH | House, IL district 10 | Challenger or open seat | FEC |
| RODKIN ROTERING, NANCY | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| RUTAGWIBIRA, ALOYS | Republican | House, IL district 10 | Challenger or open seat | FEC |
| SCHNEIDER, BRADLEY S. | Democratic | House, IL district 10 | Incumbent | FEC |
| SHAH, SAPAN M.D. J.D. | Republican | House, IL district 10 | Challenger or open seat | FEC |
| SUMPTION, MILTON J | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| WYNES, JEREMY | Republican | House, IL district 10 | Challenger or open seat | FEC |
| BIGGERT, JUDY | Republican | House, IL district 11 | Challenger or open seat | FEC |
| CUNNINGHAM, JOHN A "JACK" | Republican | House, IL district 11 | Challenger or open seat | FEC |
| FOSTER, G. WILLIAM (BILL) | Democratic | House, IL district 11 | Incumbent | FEC |
| KHOURI, TONIA | Republican | House, IL district 11 | Challenger or open seat | FEC |
| ROBBINS, CRAIG | Republican | House, IL district 11 | Challenger or open seat | FEC |
| SENGER, DARLENE | Republican | House, IL district 11 | Challenger or open seat | FEC |
| STELLA, DOMINICK J. M.D. | Republican | House, IL district 11 | Challenger or open seat | FEC |
| VLAKANCIC, CONNOR | Republican | House, IL district 11 | Challenger or open seat | FEC |
| WHITE, HERMAN | Republican | House, IL district 11 | Challenger or open seat | FEC |
| AUXIER, RANDY | Green | House, IL district 12 | Challenger or open seat | FEC |
| BARICEVIC, CHARLES JOHN | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| BEQUETTE, DAVID ALLAN | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| BOST, MICHAEL | Republican | House, IL district 12 | Incumbent | FEC |
| BRADSHAW, PAULA | Green | House, IL district 12 | Challenger or open seat | FEC |
| COLOMBO, NATHAN CHARLES | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| COSTELLO, JERRY F | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| HARRIMAN, BRAD J | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| KELLY, BRENDAN | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| KING, ADAM JOSHUA | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| KOEN, CHARLES | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| MCMAHAN, PAT | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| NELSON, PRESTON | Republican | House, IL district 12 | Challenger or open seat | FEC |
| PRUITT, CHARLES DEAN | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| VOWELL, EDWARD F. | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| ALESCH, STEVEN J | Green | House, IL district 13 | Challenger or open seat | FEC |
| DILL, JOSHUA ALLAN | Independent | House, IL district 13 | Challenger or open seat | FEC |
| EBEL, JONATHAN HANS | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| GILL, DAVID MICHAEL | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| JOHNSON, TIMOTHY V | Republican | House, IL district 13 | Challenger or open seat | FEC |
| JONES, ERIK C | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| KNAPP, THEODORE | Independent | House, IL district 13 | Challenger or open seat | FEC |
| LONDRIGAN, BETSY DIRKSEN | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| SIDES, ANGLE | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| WEBB, BENJAMIN ADAM | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| WICKLUND, MARK DAVID | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| ANDERSON, DENNIS | Democratic | House, IL district 14 | Challenger or open seat | FEC |
| BROLLEY, MATT | Democratic | House, IL district 14 | Challenger or open seat | FEC |
| HOSTA, JOHN | Democratic | House, IL district 14 | Challenger or open seat | FEC |
| HULTGREN, RANDY | Republican | House, IL district 14 | Incumbent | FEC |
| LAUZEN, CHRIS | Republican | House, IL district 14 | Challenger or open seat | FEC |
| LAVIA, LINDA CHAPA | Democratic | House, IL district 14 | Challenger or open seat | FEC |
| MARTER, JAMES THOMAS | Republican | House, IL district 14 | Challenger or open seat | FEC |
| QUIGLEY, MATTHEW MARK | Republican | House, IL district 14 | Challenger or open seat | FEC |
| ROLDAN-JOHNSON, DANIEL | Democratic | House, IL district 14 | Challenger or open seat | FEC |
| SERRA, JOE | Democratic | House, IL district 14 | Challenger or open seat | FEC |
| SWANSON, VICTOR | Democratic | House, IL district 14 | Challenger or open seat | FEC |
| UNDERWOOD, LAUREN | Democratic | House, IL district 14 | Incumbent | FEC |
| WALZ, JIM | Democratic | House, IL district 14 | Challenger or open seat | FEC |
| WEBER, GEORGE | Democratic | House, IL district 14 | Challenger or open seat | FEC |
| DAVIS, RODNEY L | Republican | House, IL district 15 | Incumbent | FEC |
| EWING, THOMAS W | Republican | House, IL district 15 | Challenger or open seat | FEC |
| GAITHER, KEVIN | Democratic | House, IL district 15 | Challenger or open seat | FEC |
| MARCH, ANTHONY JAMES | Democratic | House, IL district 15 | Challenger or open seat | FEC |
| MCCARTER, KYLE | Republican | House, IL district 15 | Challenger or open seat | FEC |
| SHIMKUS, JOHN M | Republican | House, IL district 15 | Incumbent | FEC |
| SPOERER, CARL | Democratic | House, IL district 15 | Challenger or open seat | FEC |
| SPRADLIN, SAMUEL THOMAS | Republican | House, IL district 15 | Challenger or open seat | FEC |
| ARROYAVE, NATHAN | Democratic | House, IL district 16 | Challenger or open seat | FEC |
| BOJOVIC, BRONCO | Independent | House, IL district 16 | Challenger or open seat | FEC |
| BRIEL, AMY | Democratic | House, IL district 16 | Challenger or open seat | FEC |
| DADY, SARA | Democratic | House, IL district 16 | Challenger or open seat | FEC |
| DEBATES, JAYE | Republican | House, IL district 16 | Challenger or open seat | FEC |
| GUILLEMETTE, JOANNE | Republican | House, IL district 16 | Challenger or open seat | FEC |
| HASKELL, JASON REX | Republican | House, IL district 16 | Challenger or open seat | FEC |
| KINZINGER, ADAM | Republican | House, IL district 16 | Incumbent | FEC |
| LAHOOD, DARIN MCKAY | Republican | House, IL district 16 | Incumbent | FEC |
| MARSHALL, ZANE EDWARD | Republican | House, IL district 16 | Challenger or open seat | FEC |
| MCGROARTY, COLIN M | Republican | House, IL district 16 | Challenger or open seat | FEC |
| MINELLI, CHRISTOPHER RYAN | Democratic | House, IL district 16 | Challenger or open seat | FEC |
| MOHAMMAD, NEILL | Democratic | House, IL district 16 | Challenger or open seat | FEC |
| OWENS, KYLE LEE MASTER | Independent | House, IL district 16 | Challenger or open seat | FEC |
| VERCOLIO-OSMUND, BETH | Democratic | House, IL district 16 | Challenger or open seat | FEC |
| BUSTOS, CHERI | Democratic | House, IL district 17 | Incumbent | FEC |
| FAWELL, WILLIAM W | Republican | House, IL district 17 | Challenger or open seat | FEC |
| KLEINE, MARK A | Republican | House, IL district 17 | Challenger or open seat | FEC |
| SCHILLING, ROBERT T. | Republican | House, IL district 17 | Challenger or open seat | FEC |
| SCHUH, JON RODNEY JR. | Republican | House, IL district 17 | Challenger or open seat | FEC |
| DETERS, BRIAN | Democratic | House, IL district 18 | Challenger or open seat | FEC |
| FLYNN, MICHAEL | Republican | House, IL district 18 | Challenger or open seat | FEC |
| MELLON, ROB | Democratic | House, IL district 18 | Challenger or open seat | FEC |
| MILLER, DARREL | Democratic | House, IL district 18 | Challenger or open seat | FEC |
| RAY, CARL DOUGLAS | Democratic | House, IL district 18 | Challenger or open seat | FEC |
| RIENTS, DONALD | Republican | House, IL district 18 | Challenger or open seat | FEC |
| RODRIGUEZ, JUNIUS | Democratic | House, IL district 18 | Challenger or open seat | FEC |
| SCHOCK, AARON JON | Republican | House, IL district 18 | Incumbent | FEC |
| ROTHERT, ANTHONY E | Democratic | House, IL district 19 | Challenger or open seat | FEC |
2015–2016 cycle
Senate
| Candidate | Party | Seat | Status | Source |
|---|---|---|---|---|
| BOYKIN, RICHARD R | Democratic | Senate, IL | Challenger or open seat | FEC |
| BRONSON, DANIEL J | Republican | Senate, IL | Challenger or open seat | FEC |
| BROWN, JAMES P | Independent | Senate, IL | Challenger or open seat | FEC |
| CONKLIN, ERIC MICHAEL | Independent | Senate, IL | Challenger or open seat | FEC |
| DABNEY, COREY | None | Senate, IL | Challenger or open seat | FEC |
| DUCKWORTH, L. TAMMY | Democratic | Senate, IL | Incumbent | FEC |
| DURBIN, RICHARD J. | Democratic | Senate, IL | Incumbent | FEC |
| FITZSIMMONS, KENT EDWARD | Democratic | Senate, IL | Challenger or open seat | FEC |
| HANSEN, SHARON N | Libertarian | Senate, IL | Challenger or open seat | FEC |
| HARRIS, NAPOLEON | Democratic | Senate, IL | Challenger or open seat | FEC |
| HUBBARD, THOMAS ELIJAH | Democratic | Senate, IL | Challenger or open seat | FEC |
| JACKSON, CHERYLE | Democratic | Senate, IL | Challenger or open seat | FEC |
| KEYES, ALAN L | Republican | Senate, IL | Challenger or open seat | FEC |
| KIRK, MARK STEVEN | Republican | Senate, IL | Incumbent | FEC |
| KUNA, THOMAS JAMES | Republican | Senate, IL | Challenger or open seat | FEC |
| MARSHALL, ROBERT | Republican | Senate, IL | Challenger or open seat | FEC |
| MARTER, JAMES THOMAS | Republican | Senate, IL | Challenger or open seat | FEC |
| MARTIN, ANDY | REF | Senate, IL | Challenger or open seat | FEC |
| MCMILLEN, KENTON | Libertarian | Senate, IL | Challenger or open seat | FEC |
| OBERWEIS, JAMES D "JIM" | Republican | Senate, IL | Challenger or open seat | FEC |
| PAHLKE, ELIZABETH DIANE | Republican | Senate, IL | Challenger or open seat | FEC |
| RICHARDSON, ISRAEL K GARTH | Democratic | Senate, IL | Challenger or open seat | FEC |
| SUMMERS, SCOTT K | Green | Senate, IL | Challenger or open seat | FEC |
| TRUAX, DOUGLAS LEE | Republican | Senate, IL | Challenger or open seat | FEC |
| ZADEK, ROBERT LAWERENCE | Republican | Senate, IL | Challenger or open seat | FEC |
| ZOPP, ANDREA | Democratic | Senate, IL | Challenger or open seat | FEC |
House
| Candidate | Party | Seat | Status | Source |
|---|---|---|---|---|
| ALEXANDER, JEREMY | Democratic | House, IL | Challenger or open seat | FEC |
| JOHNSON, KENNETH LAMAR | Democratic | House, IL | Challenger or open seat | FEC |
| BAILEY, HAROLD L. | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| BROOKINS, HOWARD | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| BRUTUS, O. PATRICK | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| DEUSER, AUGUST (O'NEILL) | Republican | House, IL district 1 | Challenger or open seat | FEC |
| HARDIMAN, TIO MARIO | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| LODATO, RAYMOND M | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| MEMBERS, ANTOINE | Republican | House, IL district 1 | Challenger or open seat | FEC |
| RUSH, BOBBY LEE | Democratic | House, IL district 1 | Incumbent | FEC |
| SMITH, FREDERICK | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| STEWART, JON | Democratic | House, IL district 1 | Challenger or open seat | FEC |
| TILLMAN II, JIMMY LEE | Republican | House, IL district 1 | Challenger or open seat | FEC |
| BEALE, ANTHONY A | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| EAGLETON, CLIFFORD J | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| JACKSON, JESSE L. JR | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| JONES, LEALAN M | Green | House, IL district 2 | Challenger or open seat | FEC |
| KELLY, ROBIN | Democratic | House, IL district 2 | Incumbent | FEC |
| LEWIS, MARCUS | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| MCALLISTER, LEONARD FRANCIS JR | Republican | House, IL district 2 | Challenger or open seat | FEC |
| MCKINLEY, PAUL | Republican | House, IL district 2 | Challenger or open seat | FEC |
| MORROW, JOHN F. | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| MYRICKES, DORIAN C. L. | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| RAYBURN, CHARLES | Democratic | House, IL district 2 | Challenger or open seat | FEC |
| WALLACE, ERIC M. | Republican | House, IL district 2 | Challenger or open seat | FEC |
| WOODWORTH, BRIAN | Republican | House, IL district 2 | Challenger or open seat | FEC |
| ATKINSON, JOHN M | Democratic | House, IL district 3 | Challenger or open seat | FEC |
| FALVEY, JAMES M | Republican | House, IL district 3 | Challenger or open seat | FEC |
| JACOBSON, OREN | Democratic | House, IL district 3 | Challenger or open seat | FEC |
| JOHNSON, KAREN M | Independent | House, IL district 3 | Challenger or open seat | FEC |
| JONES, ARTHUR J. | Republican | House, IL district 3 | Challenger or open seat | FEC |
| LIPINSKI, DANIEL WILLIAM WILLIAM | Democratic | House, IL district 3 | Incumbent | FEC |
| CONCEPCION, HECTOR L | Republican | House, IL district 4 | Challenger or open seat | FEC |
| EIDENBERG, ALEXANDRA CATHERINE | Democratic | House, IL district 4 | Challenger or open seat | FEC |
| FLORES, MANUEL | Democratic | House, IL district 4 | Challenger or open seat | FEC |
| GUTIERREZ, LUIS V | Democratic | House, IL district 4 | Incumbent | FEC |
| SALAS, JAVIER | Democratic | House, IL district 4 | Challenger or open seat | FEC |
| AUGUSTSON, ALAN | Green | House, IL district 5 | Challenger or open seat | FEC |
| BARZ, MICHAEL THOMAS | W | House, IL district 5 | Challenger or open seat | FEC |
| BEDELL, GREGORY A | Republican | House, IL district 5 | Challenger or open seat | FEC |
| GRIMSLEY, WARREN GRIZZ | Green | House, IL district 5 | Challenger or open seat | FEC |
| KAY, DANIEL S (KARKUSIEWICZ) | Republican | House, IL district 5 | Challenger or open seat | FEC |
| KHAN, MOHAMMADALI D | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| KOLBER, VINCE | Republican | House, IL district 5 | Challenger or open seat | FEC |
| MAYERS, RICHARD B. "RIVERVIEW" | Green | House, IL district 5 | Challenger or open seat | FEC |
| QUIGLEY, MIKE | Democratic | House, IL district 5 | Incumbent | FEC |
| REICHEL, MATTHEW | Green | House, IL district 5 | Challenger or open seat | FEC |
| SHERMAN, ROB | Green | House, IL district 5 | Challenger or open seat | FEC |
| THOMPSON, ROGER | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| VARTANIAN, JOEY | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| VASQUEZ, ISRAEL C | Democratic | House, IL district 5 | Challenger or open seat | FEC |
| WADE, NANCY LYNN | Green | House, IL district 5 | Challenger or open seat | FEC |
| COOLIDGE, LESLIE ANNE | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| DRABIK, GERALD "JERRY" | Republican | House, IL district 6 | Challenger or open seat | FEC |
| HOWLAND, AMANDA | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| JAFRI, KHIZAR | Independent | House, IL district 6 | Challenger or open seat | FEC |
| KINZLER, GORDON (JAY) | Republican | House, IL district 6 | Challenger or open seat | FEC |
| MARSHALL, ROBERT | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| MASON, MICHAEL | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| PETZEL, GEOFFREY J | Democratic | House, IL district 6 | Challenger or open seat | FEC |
| ROSKAM, PETER | Republican | House, IL district 6 | Incumbent | FEC |
| ANDERSON, DAVID JOHN | Libertarian | House, IL district 7 | Challenger or open seat | FEC |
| COLLINS, FREDERICK | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| DAVIS, DANNY K. | Democratic | House, IL district 7 | Incumbent | FEC |
| DAY, THOMAS | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| ENYIA, AMARA | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| LEEF, JEFFREY A. | Republican | House, IL district 7 | Challenger or open seat | FEC |
| LIVINGSTON, GREGORY SEAL | Independent | House, IL district 7 | Challenger or open seat | FEC |
| ROCHE, DANIEL THOMAS | Democratic | House, IL district 7 | Challenger or open seat | FEC |
| WEIMAN, MARK M | Republican | House, IL district 7 | Challenger or open seat | FEC |
| ZAK, RITA | Republican | House, IL district 7 | Challenger or open seat | FEC |
| BULLWINKEL, DEBORAH M | Democratic | House, IL district 8 | Challenger or open seat | FEC |
| CULLERTON, TOM | Democratic | House, IL district 8 | Challenger or open seat | FEC |
| DAWSON, JOHN | Republican | House, IL district 8 | Challenger or open seat | FEC |
| DICIANNI, PETER | Republican | House, IL district 8 | Challenger or open seat | FEC |
| DUCKWORTH, L. TAMMY | Democratic | House, IL district 8 | Incumbent | FEC |
| EVANS, RICHARD | Republican | House, IL district 8 | Challenger or open seat | FEC |
| EVENS, RICHARD | Republican | House, IL district 8 | Challenger or open seat | FEC |
| FRASER, WILLIAM E | Independent | House, IL district 8 | Challenger or open seat | FEC |
| GEISSLER, CHRISTOPHER TODD | Republican | House, IL district 8 | Challenger or open seat | FEC |
| GOEL, MANJU | Republican | House, IL district 8 | Challenger or open seat | FEC |
| HANTSCH, JOSEPH J | Republican | House, IL district 8 | Challenger or open seat | FEC |
| JACOBS, GREGORY S | Republican | House, IL district 8 | Challenger or open seat | FEC |
| KAIFESH, LAWRENCE JOSEPH | Republican | House, IL district 8 | Challenger or open seat | FEC |
| KRISHNAMOORTHI, S. RAJA | Democratic | House, IL district 8 | Incumbent | FEC |
| MCSWEENEY, DAVID | Republican | House, IL district 8 | Challenger or open seat | FEC |
| NOLAND, MICHAEL | Democratic | House, IL district 8 | Challenger or open seat | FEC |
| SCHEURER, RANDI | Democratic | House, IL district 8 | Challenger or open seat | FEC |
| STRAW, ANDREW | Republican | House, IL district 8 | Challenger or open seat | FEC |
| WALSH, JOE | Republican | House, IL district 8 | Challenger or open seat | FEC |
| ATANUS, SUSANNE | Republican | House, IL district 9 | Challenger or open seat | FEC |
| DETZEL, DENIS | Republican | House, IL district 9 | Challenger or open seat | FEC |
| LASONDE, JOAN MCCARTHY | Republican | House, IL district 9 | Challenger or open seat | FEC |
| SCHAKOWSKY, JANICE D | Democratic | House, IL district 9 | Incumbent | FEC |
| WALLACE, S RON | Republican | House, IL district 9 | Challenger or open seat | FEC |
| WILLIAMS, DAVID EARL III | Independent | House, IL district 9 | Challenger or open seat | FEC |
| DOLD, ROBERT JAMES JR | Republican | House, IL district 10 | Incumbent | FEC |
| FOOTLIK, JAY K | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| KIRK, MARK STEVEN | Republican | House, IL district 10 | Challenger or open seat | FEC |
| KOPSICK, JOSEPH WILLIAM | OTH | House, IL district 10 | Challenger or open seat | FEC |
| RODKIN ROTERING, NANCY | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| RUTAGWIBIRA, ALOYS | Republican | House, IL district 10 | Challenger or open seat | FEC |
| SCHNEIDER, BRADLEY S. | Democratic | House, IL district 10 | Incumbent | FEC |
| SCHROEDER, WILL | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| SUMPTION, MILTON J | Democratic | House, IL district 10 | Challenger or open seat | FEC |
| BIGGERT, JUDY | Republican | House, IL district 11 | Challenger or open seat | FEC |
| CUNNINGHAM, JOHN A "JACK" | Republican | House, IL district 11 | Challenger or open seat | FEC |
| FOSTER, G. WILLIAM (BILL) | Democratic | House, IL district 11 | Incumbent | FEC |
| KHOURI, TONIA | Republican | House, IL district 11 | Challenger or open seat | FEC |
| ROBBINS, CRAIG | Republican | House, IL district 11 | Challenger or open seat | FEC |
| SENGER, DARLENE | Republican | House, IL district 11 | Challenger or open seat | FEC |
| STELLA, DOMINICK J. M.D. | Republican | House, IL district 11 | Challenger or open seat | FEC |
| TAMS, MICHAEL A | Republican | House, IL district 11 | Challenger or open seat | FEC |
| VLAKANCIC, CONNOR | Republican | House, IL district 11 | Challenger or open seat | FEC |
| WHITE, HERMAN | Republican | House, IL district 11 | Challenger or open seat | FEC |
| BARICEVIC, CHARLES JOHN | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| BOST, MICHAEL | Republican | House, IL district 12 | Incumbent | FEC |
| BRADSHAW, PAULA | Green | House, IL district 12 | Challenger or open seat | FEC |
| COSTELLO, JERRY F | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| ENYART, WILLIAM L. JR. | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| FOLKNER, SADONA M. | Green | House, IL district 12 | Challenger or open seat | FEC |
| HARRIMAN, BRAD J | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| PLUMMER, JASON | Republican | House, IL district 12 | Challenger or open seat | FEC |
| VOWELL, EDWARD F. | Democratic | House, IL district 12 | Challenger or open seat | FEC |
| ALESCH, STEVEN J | Green | House, IL district 13 | Challenger or open seat | FEC |
| CALLIS, ANN | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| DILL, JOSHUA ALLAN | Independent | House, IL district 13 | Challenger or open seat | FEC |
| GILL, DAVID MICHAEL | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| GOLLIN, GEORGE | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| JOHNSON, TIMOTHY V | Republican | House, IL district 13 | Challenger or open seat | FEC |
| KNAPP, THEODORE | Independent | House, IL district 13 | Challenger or open seat | FEC |
| VANDERSAND, ETHAN | Republican | House, IL district 13 | Challenger or open seat | FEC |
| WICKLUND, MARK DAVID | Democratic | House, IL district 13 | Challenger or open seat | FEC |
| ANDERSON, DENNIS | Democratic | House, IL district 14 | Challenger or open seat | FEC |
| BISON, BUDDY DA | OTH | House, IL district 14 | Challenger or open seat | FEC |
| HOSTA, JOHN | Democratic | House, IL district 14 | Challenger or open seat | FEC |
| HULTGREN, RANDY | Republican | House, IL district 14 | Incumbent | FEC |
| LAUZEN, CHRIS | Republican | House, IL district 14 | Challenger or open seat | FEC |
| LAVIA, LINDA CHAPA | Democratic | House, IL district 14 | Challenger or open seat | FEC |
| MAGGITT, JESSE | Democratic | House, IL district 14 | Challenger or open seat | FEC |
| SERRA, JOE | Democratic | House, IL district 14 | Challenger or open seat | FEC |
| WALZ, JIM | Democratic | House, IL district 14 | Challenger or open seat | FEC |
| DAVIS, RODNEY L | Republican | House, IL district 15 | Incumbent | FEC |
| EWING, THOMAS W | Republican | House, IL district 15 | Challenger or open seat | FEC |
| MCCARTER, KYLE | Republican | House, IL district 15 | Challenger or open seat | FEC |
| SHIMKUS, JOHN M | Republican | House, IL district 15 | Incumbent | FEC |
| SPRADLIN, SAMUEL THOMAS | Republican | House, IL district 15 | Challenger or open seat | FEC |
| THORSLAND, ERIC LEE | Democratic | House, IL district 15 | Challenger or open seat | FEC |
| BOJOVIC, BRONCO | Independent | House, IL district 16 | Challenger or open seat | FEC |
| GUILLEMETTE, JOANNE | Republican | House, IL district 16 | Challenger or open seat | FEC |
| HALE JR, DAVID JERRY | Republican | House, IL district 16 | Challenger or open seat | FEC |
| KINZINGER, ADAM | Republican | House, IL district 16 | Incumbent | FEC |
| LAHOOD, DARIN MCKAY | Republican | House, IL district 16 | Incumbent | FEC |
| MCGROARTY, COLIN M | Republican | House, IL district 16 | Challenger or open seat | FEC |
| OLSEN, RANDALL WAYNE | Democratic | House, IL district 16 | Challenger or open seat | FEC |
| AGUILAR, GREGORIO MIGUEL | Democratic | House, IL district 17 | Challenger or open seat | FEC |
| BOCCAROSSA, JACK | Republican | House, IL district 17 | Challenger or open seat | FEC |
| BUSTOS, CHERI | Democratic | House, IL district 17 | Incumbent | FEC |
| FAWELL, WILLIAM W | Republican | House, IL district 17 | Challenger or open seat | FEC |
| HARLAN, PATRICK | Republican | House, IL district 17 | Challenger or open seat | FEC |
| REYES, ERIC STEVEN | Republican | House, IL district 17 | Challenger or open seat | FEC |
| SCHILLING, ROBERT T. | Republican | House, IL district 17 | Challenger or open seat | FEC |
| FLYNN, MICHAEL | Republican | House, IL district 18 | Challenger or open seat | FEC |
| LOPEZ, ADAM | Democratic | House, IL district 18 | Challenger or open seat | FEC |
| MELLON, ROB | Democratic | House, IL district 18 | Challenger or open seat | FEC |
| MELLON, ROBERT | Democratic | House, IL district 18 | Challenger or open seat | FEC |
| RAY, CARL DOUGLAS | Democratic | House, IL district 18 | Challenger or open seat | FEC |
| RIENTS, DONALD | Republican | House, IL district 18 | Challenger or open seat | FEC |
| RODRIGUEZ, JUNIUS | Democratic | House, IL district 18 | Challenger or open seat | FEC |
| SCHOCK, AARON JON | Republican | House, IL district 18 | Incumbent | FEC |
| ZALCMAN, MARK H | Republican | House, IL district 18 | Challenger or open seat | FEC |
| ROTHERT, ANTHONY E | Democratic | House, IL district 19 | Challenger or open seat | FEC |