| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1978 | MT | R | U.S. Senate Class 2 | Primary | 1 | 35,479 | 61.7% | ||
| 1978 | MT | R | U.S. Senate Class 2 | General | 2 | 127,589 | 44.3% | ||
| 1982 | MT | R | U.S. Senate Class 1 | Primary | 1 | 49,615 | 88.1% | ||
| 1982 | MT | R | U.S. Senate Class 1 | General | 2 | 133,789 | 41.7% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |