| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1998 | IL | R | Comptroller | Primary | 1 | 317,766 | 51.5% | ||
| 1998 | IL | R | Comptroller | General | 2 | 1,280,860 | 39.6% | ||
| 2008 | IL | R | U.S. House | District 14 | Primary | 2 | 32,584 | 41.3% | |
| 2008 | IL | R | U.S. House | District 14 | Special Primary | 2 | 32,955 | 44.0% | |
|
Age: Age as of July 1 of the year pertaining to this election. |