| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1992 | TX | D | State House | District 145 | Primary | 4 | 871 | 13.3% | |
| 1998 | TX | D | State House | District 145 | Primary | 1 | 1,192 | 59.1% | |
| 1998 | TX | D | State House | District 145 | General | 1 | 6,405 | 67.1% | |
| 2000 | TX | D | State House | District 145 | Primary | 1 | 1,381 | 100.0% | |
| 2000 | TX | D | State House | District 145 | General | 1 | 12,158 | 71.4% | |
| 2002 | TX | D | State House | District 145 | Primary | 1 | 3,315 | 100.0% | |
| 2002 | TX | D | State House | District 145 | General | 1 | 11,087 | 100.0% | |
| 2004 | TX | D | State House | District 145 | Primary | 1 | 2,044 | 100.0% | |
| 2004 | TX | D | State House | District 145 | General | 1 | 15,160 | 100.0% | |
| 2006 | TX | D | State House | District 145 | Primary | 1 | 784 | 100.0% | |
| 2006 | TX | D | State House | District 145 | General | 1 | 7,773 | 100.0% | |
| 2008 | TX | D | U.S. Senate Class 2 | Primary | 1 | 1,110,579 | 51.0% | ||
| 2008 | TX | D | U.S. Senate Class 2 | General | 2 | 3,389,365 | 42.8% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |