| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1945 | MT | D | U.S. House | District 02 | Special | 2 | 22,126 | 42.6% | |
| 1960 | MT | D | U.S. House | District 02 | Primary | 1 | 22,384 | 34.2% | |
| 1960 | MT | D | U.S. House | District 02 | General | 2 | 75,507 | 49.1% | |
| 1962 | MT | D | U.S. House | District 02 | Primary | 1 | 32,951 | 63.7% | |
| 1962 | MT | D | U.S. House | District 02 | General | 2 | 63,755 | 44.6% | |
|
Age: Age as of July 1 of the year pertaining to this election. |