United States House of Representatives elections, 1920 Iowa Iowa

| District | Incumbent | Party | First_elected | Result_ | Candidates |
|---|---|---|---|---|---|
| Iowa 1 | Charles A. Kennedy | Republican | 1906 | Retired Republican hold | William F. Kopp (R) 64.5% E. W. McManus (D) 35.5% |
| Iowa 3 | Burton E. Sweet | Republican | 1914 | Re-elected | Burton E. Sweet (R) 97.2% Roy Jacobs ( FL ) 2.8% |
| Iowa 4 | Gilbert N. Haugen | Republican | 1898 | Re-elected | Gilbert N. Haugen (R) 74.6% Carl Evans (D) 25.4% |
| Iowa 5 | James W. Good | Republican | 1908 | Re-elected | James W. Good (R) Unopposed |
| Iowa 7 | Cassius C. Dowell | Republican | 1914 | Re-elected | Cassius C. Dowell (R) 98.1% Charles Gay ( S ) 1.9% |