| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1958 | IA | R | Governor | Primary | 1 | 112,496 | 56.6% | ||
| 1958 | IA | R | Governor | General | 2 | 394,071 | 45.9% | ||
| 1966 | IA | R | Governor | Primary | 1 | 87,371 | 50.5% | ||
| 1966 | IA | R | Governor | General | 2 | 394,518 | 44.2% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |