| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1960 | IA | R | Secretary of State | Primary | 1 | 188,756 | 100.0% | ||
| 1960 | IA | R | Secretary of State | General | 1 | 658,942 | 54.9% | ||
| 1962 | IA | R | Secretary of State | Primary | 1 | 163,322 | 100.0% | ||
| 1962 | IA | R | Secretary of State | General | 1 | 436,965 | 55.7% | ||
| 1964 | IA | R | Secretary of State | Primary | 1 | 154,877 | 100.0% | ||
| 1964 | IA | R | Secretary of State | General | 2 | 502,577 | 45.2% | ||
| 1966 | IA | R | Secretary of State | Primary | 1 | 141,654 | 100.0% | ||
| 1966 | IA | R | Secretary of State | General | 1 | 471,547 | 55.5% | ||
| 1968 | IA | R | Secretary of State | Primary | 1 | 210,653 | 100.0% | ||
| 1968 | IA | R | Secretary of State | General | 1 | 637,860 | 58.6% | ||
| 1970 | IA | R | Secretary of State | Primary | 1 | 138,049 | 100.0% | ||
| 1970 | IA | R | Secretary of State | General | 1 | 437,920 | 58.3% | ||
| 1972 | IA | R | Secretary of State | Primary | 1 | 178,012 | 100.0% | ||
| 1972 | IA | R | Secretary of State | General | 1 | 659,830 | 58.1% | ||
| 1974 | IA | R | Secretary of State | Primary | 1 | 118,313 | 100.0% | ||
| 1974 | IA | R | Secretary of State | General | 1 | 473,329 | 54.9% | ||
| 1978 | IA | R | Secretary of State | General | 1 | 401,085 | 54.3% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |