| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1998 | TX | R | Commissioner of Agriculture | Primary | 1 | 388,583 | 75.0% | ||
| 1998 | TX | R | Commissioner of Agriculture | General | 1 | 2,021,385 | 56.3% | ||
| 2002 | TX | R | Commissioner of Agriculture | Primary | 1 | 544,384 | 100.0% | ||
| 2002 | TX | R | Commissioner of Agriculture | General | 1 | 2,621,128 | 59.3% | ||
| 2006 | TX | R | Comptroller | Primary | 1 | 561,129 | 100.0% | ||
| 2006 | TX | R | Comptroller | General | 1 | 2,542,917 | 59.4% | ||
| 2010 | TX | R | Comptroller | Primary | 1 | 1,145,397 | 100.0% | ||
| 2010 | TX | R | Comptroller | General | 1 | 3,307,935 | 83.2% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |