| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1960 | MT | D | Governor | Primary | 2 | 40,537 | 31.6% | ||
| 1964 | MT | D | U.S. House | District 02 | Primary | 1 | 40,416 | 63.4% | |
| 1964 | MT | D | U.S. House | District 02 | General | 2 | 71,491 | 45.9% | |
|
Age: Age as of July 1 of the year pertaining to this election. |