Iowa's 1st congressional district Recent election results Recent election results

| Year_ | Party_Affiliation_1 | Winner | Number_of_Votes_3 | Party_Affiliation_4 | Loser | Number_of_Votes_6 | Percentage_of_Votes_ |
|---|---|---|---|---|---|---|---|
| 1950 | Republican | Thomas E. Martin | 70058 | Democrat | James D. France | 43140 | 62% - 38% |
| 1952 | Republican | Thomas E. Martin | 105526 | Democrat | Clair A. Williams | 62011 | 63% - 37% |
| 1954 | Republican | Fred Schwengel | 67128 | Democrat | John O`Connor | 50577 | 57% - 43% |
| 1956 | Republican | Fred Schwengel | 94223 | Democrat | Ronald O. Bramhall | 68287 | 58% - 42% |
| 1958 | Republican | Fred Schwengel | 59577 | Democrat | Thomas J. Dailey | 51996 | 53% - 47% |
| 1960 | Republican | Fred Schwengel | 104737 | Democrat | Walter J. Guenther | 67287 | 61% - 39% |
| 1962 | Republican | Fred Schwengel | 65975 | Democrat | Harold Stephens | 42000 | 61% - 39% |
| 1964 | Democrat | John R. Schmidhauser | 84042 | Republican | Fred Schwengel | 80697 | 51% - 49% |