| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1978 | TX | D | State House | District 050 | General | 1 | 7,306 | 67.7% | |
| 1980 | TX | D | State House | District 050 | Primary | 1 | 8,124 | 100.0% | |
| 1980 | TX | D | State House | District 050 | General | 1 | 14,953 | 68.3% | |
| 1982 | TX | D | State Senate | District 027 | Primary | 1 | 33,760 | 100.0% | |
| 1982 | TX | D | State Senate | District 027 | General | 1 | 46,925 | 100.0% | |
| 1986 | TX | D | State Senate | District 027 | Primary | 1 | 33,364 | 68.6% | |
| 1986 | TX | D | State Senate | District 027 | General | 1 | 44,447 | 100.0% | |
| 2010 | TX | D | Land Commissioner | Primary | 1 | 292,729 | 51.7% | ||
| 2010 | TX | D | Land Commissioner | General | 2 | 1,717,518 | 35.3% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |