United States House of Representatives elections, 1980 Illinois Illinois

| District | Incumbent | Party | First_elected | Result_ | Candidates |
|---|---|---|---|---|---|
| Illinois 19 | Tom Railsback | Republican | 1966 | Re-elected | Tom Railsback (R) 73.4% Thomas J. Hand (D) 26.6% |
| Illinois 20 | Paul Findley | Republican | 1960 | Re-elected | Paul Findley (R) 56.0% David Robinson (D) 44.0% |