| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1978 | IA | D | State Senate | District 015 | General | 1 | 8,847 | 54.6% | |
| 1996 | IA | D | U.S. House | District 01 | Primary | 1 | 9,348 | 73.8% | |
| 1996 | IA | D | U.S. House | District 01 | General | 2 | 111,595 | 45.6% | |
| 1998 | IA | D | U.S. House | District 01 | Primary | 1 | 15,356 | 99.4% | |
| 1998 | IA | D | U.S. House | District 01 | General | 2 | 79,529 | 42.3% | |
|
Age: Age as of July 1 of the year pertaining to this election. |