| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1970 | MT | D | State House | District 015 | General | 2 | 5,576 | 14.0% | |
| 1972 | MT | D | State House | District 011 | General | 1 | 12,638 | 11.1% | |
| 1974 | MT | D | State House | District 077 | General | 1 | 1,212 | 52.2% | |
| 1976 | MT | D | State House | District 077 | General | 1 | 1,619 | 55.4% | |
| 1978 | MT | D | U.S. House | District 01 | Primary | 2 | 20,381 | 27.7% | |
| 1984 | MT | D | State House | District 079 | General | 1 | 2,182 | 57.3% | |
| 1986 | MT | D | State House | District 079 | General | 1 | 1,487 | 66.0% | |
| 1988 | MT | D | State House | District 079 | General | 1 | 1,838 | 62.1% | |
| 1990 | MT | D | State House | District 079 | General | 1 | 1,449 | 67.1% | |
| 1992 | MT | D | Governor | Primary | 1 | 54,453 | 41.2% | ||
| 1992 | MT | D | Governor | General | 2 | 198,421 | 48.7% | ||
| 2000 | MT | D | Lt. Governor | Primary | 2 | 0 | 0.0% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |