| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1974 | TX | D | U.S. House | District 23 | Primary | 2 | 10,376 | 16.7% | |
| 2002 | TX | Libertarian | Attorney General | General | 3 | 56,880 | 1.3% | ||
| 2006 | TX | Libertarian | Attorney General | General | 3 | 139,668 | 3.3% | ||
| 2010 | TX | Libertarian | Attorney General | General | 3 | 112,118 | 2.3% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |