| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1998 | MD | R | Comptroller | Primary | 3 | 37,726 | 21.9% | ||
| 2002 | MD | R | Lt. Governor | General | 1 | 0 | 0.0% | ||
| 2006 | MD | R | U.S. Senate Class 1 | Primary | 1 | 190,790 | 87.0% | ||
| 2006 | MD | R | U.S. Senate Class 1 | General | 2 | 787,182 | 44.2% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |