| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 2006 | TX | I | Governor | General | 4 | 546,869 | 12.4% | ||
| 2010 | TX | D | Commissioner of Agriculture | Primary | 2 | 283,614 | 47.7% | ||
| 2014 | TX | D | Commissioner of Agriculture | Primary | 2 | 185,180 | 37.7% | ||
| 2014 | TX | D | Commissioner of Agriculture | Primary Runoff | 2 | 91,282 | 46.3% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |