| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1970 | MT | D | State Senate | District 009 | General | 4 | 13,211 | 16.1% | |
| 1974 | MT | D | State Senate | District 035 | General | 1 | 3,041 | 100.0% | |
| 1978 | MT | D | State Senate | District 035 | General | 1 | 2,848 | 55.1% | |
| 1982 | MT | D | State Senate | District 035 | General | 1 | 4,734 | 100.0% | |
| 1984 | MT | D | U.S. House | District 02 | Primary | 1 | 25,433 | 64.9% | |
| 1984 | MT | D | U.S. House | District 02 | General | 2 | 60,445 | 34.1% | |
| 1986 | MT | D | State Senate | District 043 | General | 1 | 3,822 | 54.6% | |
| 1990 | MT | D | State Senate | District 043 | General | 1 | 3,780 | 50.7% | |
| 1996 | MT | D | Governor | Primary | 1 | 55,120 | 74.6% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |