| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1996 | TX | D | U.S. Senate Class 2 | Primary | 1 | 322,218 | 36.2% | ||
| 1996 | TX | D | U.S. Senate Class 2 | Primary Runoff | 1 | 246,614 | 51.2% | ||
| 1996 | TX | D | U.S. Senate Class 2 | General | 2 | 2,428,776 | 43.9% | ||
| 1998 | TX | D | U.S. House | District 05 | Primary | 1 | 17,907 | 69.2% | |
| 1998 | TX | D | U.S. House | District 05 | General | 2 | 48,073 | 43.4% | |
| 2002 | TX | D | U.S. Senate Class 2 | Primary | 1 | 317,048 | 33.2% | ||
| 2002 | TX | D | U.S. Senate Class 2 | Primary Runoff | 2 | 249,423 | 40.2% | ||
| 2006 | TX | D | U.S. House | District 28 | Primary | 3 | 2,943 | 6.4% | |
|
Age: Age as of July 1 of the year pertaining to this election. |