| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1988 | MD | R | U.S. Senate Class 1 | General | 2 | 617,537 | 38.2% | ||
| 1992 | MD | R | U.S. Senate Class 3 | Primary | 1 | 95,831 | 45.9% | ||
| 1992 | MD | R | U.S. Senate Class 3 | General | 2 | 533,688 | 29.0% | ||
| 2004 | IL | R | U.S. Senate Class 3 | General | 2 | 1,390,690 | 27.0% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |