| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1982 | IA | D | State House | District 043 | General | 1 | 5,663 | 52.0% | |
| 1984 | IA | D | State House | District 043 | General | 1 | 7,380 | 56.7% | |
| 1986 | IA | D | State House | District 043 | General | 1 | 6,468 | 99.2% | |
| 1988 | IA | D | State House | District 043 | General | 1 | 7,023 | 55.2% | |
| 1990 | IA | D | State House | District 043 | General | 1 | 6,246 | 60.2% | |
| 1992 | IA | D | State House | District 050 | General | 1 | 7,569 | 54.1% | |
| 1998 | IA | D | U.S. Senate Class 3 | Primary | 1 | 86,064 | 99.4% | ||
| 1998 | IA | D | U.S. Senate Class 3 | General | 2 | 289,049 | 30.5% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |