| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1968 | MT | D | State Senate | District 018 | General | 1 | 14,029 | 19.5% | |
| 1972 | MT | D | State Senate | District 013 | General | 1 | 16,873 | 21.6% | |
| 1974 | MT | R | U.S. House | District 02 | Primary | 1 | 15,218 | 63.9% | |
| 1974 | MT | R | U.S. House | District 02 | General | 2 | 43,853 | 37.0% | |
| 1976 | MT | R | Governor | Primary | 2 | 36,420 | 43.3% | ||
| 1978 | MT | R | State House | District 017 | General | 2 | 1,173 | 37.4% | |
| 1980 | MT | R | U.S. House | District 01 | Primary | 1 | 15,817 | 47.6% | |
| 1980 | MT | R | U.S. House | District 01 | General | 2 | 70,874 | 38.6% | |
| 1992 | MT | R | State Senate | District 023 | Primary | 2 | 781 | 41.4% | |
| 1996 | MT | R | U.S. Senate Class 2 | Primary | 3 | 14,485 | 13.0% | ||
| 2002 | MT | R | U.S. Senate Class 2 | Primary | 3 | 10,116 | 12.6% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |