| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1956 | IA | R | U.S. Senate Class 3 | Primary | 2 | 75,264 | 32.3% | ||
| 1960 | IA | R | U.S. Senate Class 2 | Primary | 2 | 62,500 | 29.0% | ||
| 1968 | IA | R | U.S. Senate Class 3 | Primary | 3 | 22,049 | 9.0% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |