United States House of Representatives elections, 1984 Illinois Illinois

| District | Incumbent | Party | First_elected | Result_ | Candidates |
|---|---|---|---|---|---|
| Illinois 12 | Phil Crane | Republican | 1969 | Re-elected | Phil Crane (R) 77.8% Edward J. LaFlamme (D) 22.2% |
| Illinois 14 | Tom Corcoran | Republican | 1976 | Retired to run for U. S. Senate Republican hold | John E. Grotberg (R) 62.2% Dan McGrath (D) 37.8% |
| Illinois 17 | Lane Evans | Democratic | 1982 | Re-elected | Lane Evans (D) 56.7% Kenneth G. McMillan (R) 43.3% |
| Illinois 19 | Dan Crane | Republican | 1978 | Lost re-election Democratic gain | Terry L. Bruce (D) 52.3% Dan Crane (R) 47.7% |
| Illinois 20 | Dick Durbin | Democratic | 1982 | Re-elected | Dick Durbin (D) 61.3% Richard G. Austin (R) 38.7% |
| Illinois 21 | Melvin Price | Democratic | 1944 | Re-elected | Melvin Price (D) 60.2% Robert H. Gaffner (R) 39.8% |