| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1978 | IA | D | State Senate | District 041 | General | 1 | 6,368 | 57.0% | |
| 1982 | IA | D | State Senate | District 021 | General | 1 | 10,827 | 63.0% | |
| 1986 | IA | D | State Senate | District 021 | General | 1 | 8,930 | 66.3% | |
| 1990 | IA | D | State Senate | District 021 | General | 1 | 8,266 | 100.0% | |
| 1992 | IA | D | State Senate | District 022 | General | 1 | 12,706 | 55.3% | |
| 1996 | IA | D | State Senate | District 022 | General | 1 | 10,669 | 50.5% | |
| 2000 | IA | D | State Senate | District 022 | Primary | 1 | 554 | 87.5% | |
| 2000 | IA | D | State Senate | District 022 | General | 1 | 13,080 | 58.3% | |
| 2002 | IA | D | Auditor | Primary | 1 | 71,061 | 99.7% | ||
| 2002 | IA | D | Auditor | General | 2 | 442,040 | 46.2% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |