| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1960 | TX | D | Attorney General | Primary | 2 | 585,616 | 41.0% | ||
| 1962 | TX | D | Attorney General | Primary | 1 | 563,021 | 43.1% | ||
| 1962 | TX | D | Attorney General | Primary Runoff | 1 | 613,477 | 57.9% | ||
| 1962 | TX | D | Attorney General | General | 1 | 1,031,118 | 66.3% | ||
| 1964 | TX | D | Attorney General | Primary | 1 | 1,399,161 | 100.0% | ||
| 1964 | TX | D | Attorney General | General | 1 | 1,901,038 | 74.8% | ||
| 1966 | TX | D | U.S. Senate Class 2 | Primary | 1 | 899,523 | 79.9% | ||
| 1966 | TX | D | U.S. Senate Class 2 | General | 2 | 643,855 | 43.1% | ||
| 1968 | TX | D | Governor | Primary | 3 | 257,535 | 14.7% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |