| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1970 | IA | D | State House | District 100 | General | 2 | 4,044 | 47.7% | |
| 1972 | IA | D | State Senate | District 043 | General | 1 | 11,462 | 50.1% | |
| 1974 | IA | D | State Senate | District 043 | General | 1 | 10,320 | 62.4% | |
| 1978 | IA | D | State Senate | District 043 | General | 1 | 8,757 | 63.5% | |
| 1982 | IA | D | State Senate | District 031 | General | 1 | 11,597 | 100.0% | |
| 1986 | IA | D | Governor | Primary | 1 | 70,605 | 52.6% | ||
| 1986 | IA | D | Governor | General | 2 | 436,987 | 48.0% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |