| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1960 | MT | R | Superintendent of Public Instr. | Primary | 1 | 59,593 | 100.0% | ||
| 1960 | MT | R | Superintendent of Public Instr. | General | 1 | 149,382 | 54.5% | ||
| 1964 | MT | D | Superintendent of Public Instr. | Primary | 1 | 81,929 | 67.2% | ||
| 1964 | MT | D | Superintendent of Public Instr. | General | 1 | 155,621 | 56.0% | ||
| 1968 | MT | D | U.S. House | District 01 | Primary | 2 | 22,553 | 39.8% | |
| 1972 | MT | D | U.S. House | District 01 | Primary | 2 | 28,301 | 39.8% | |
|
Age: Age as of July 1 of the year pertaining to this election. |