| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1958 | TX | D | U.S. House | District 05 | Primary | 1 | 46,428 | 53.8% | |
| 1958 | TX | D | U.S. House | District 05 | General | 2 | 56,566 | 47.4% | |
| 1972 | TX | D | U.S. Senate Class 2 | Primary | 2 | 787,504 | 38.1% | ||
| 1972 | TX | D | U.S. Senate Class 2 | Primary Runoff | 1 | 1,008,499 | 52.1% | ||
| 1972 | TX | D | U.S. Senate Class 2 | General | 2 | 1,511,985 | 44.3% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |