United States House of Representatives elections, 1980 Illinois Illinois

| District | Incumbent | Party | First_elected | Result_ | Candidates |
|---|---|---|---|---|---|
| Illinois 2 | Morgan F. Murphy | Democratic | 1970 | Retired Democratic hold | Gus Savage (D) 88.2% Marsha A. Harris (R) 11.8% |
| Illinois 6 | Henry Hyde | Republican | 1974 | Re-elected | Henry Hyde (R) 67.0% Mario Reymond Reda (D) 33.0% |
| Illinois 7 | Cardiss Collins | Democratic | 1973 | Re-elected | Cardiss Collins (D) 85.1% Ruth R. Hooper (R) 14.9% |
| Illinois 12 | Phil Crane | Republican | 1969 | Re-elected | Phil Crane (R) 74.1% David McCartney (D) 25.9% |
| Illinois 13 | Robert McClory | Republican | 1962 | Re-elected | Robert McClory (R) 71.7% Michael Reese (D) 28.3% |
| Illinois 15 | Tom Corcoran | Republican | 1976 | Re-elected | Tom Corcoran (R) 76.7% John P. Quillin (D) 23.3% |