| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1968 | TX | D | State House | District 52G | Primary | 2 | 32,251 | 45.2% | |
| 1982 | TX | D | State Senate | District 012 | Primary | 1 | 11,778 | 38.7% | |
| 1982 | TX | D | State Senate | District 012 | General | 1 | 58,667 | 54.6% | |
| 1984 | TX | D | U.S. House | District 06 | Primary | 2 | 26,770 | 38.1% | |
| 1986 | TX | D | State Senate | District 012 | Primary | 1 | 14,483 | 100.0% | |
| 1986 | TX | D | State Senate | District 012 | General | 1 | 67,299 | 58.8% | |
| 1990 | TX | D | U.S. Senate Class 2 | Primary | 1 | 766,284 | 75.4% | ||
| 1990 | TX | D | U.S. Senate Class 2 | General | 2 | 1,429,986 | 37.4% | ||
| 1996 | TX | D | U.S. House | District 12 | Primary | 1 | 17,625 | 100.0% | |
| 1996 | TX | D | U.S. House | District 12 | General | 2 | 69,859 | 41.0% | |
|
Age: Age as of July 1 of the year pertaining to this election. |