| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1952 | TX | D | U.S. House | District 04 | Primary | 2 | 15,360 | 34.0% | |
| 1978 | TX | D | Commissioner of Agriculture | Primary | 1 | 742,566 | 52.6% | ||
| 1978 | TX | D | Commissioner of Agriculture | General | 1 | 1,288,172 | 100.0% | ||
| 1982 | TX | D | Commissioner of Agriculture | Primary | 2 | 493,960 | 40.6% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |