| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1980 | MD | D | U.S. House | District 01 | Primary | 2 | 11,833 | 30.8% | |
| 1994 | MD | D | U.S. House | District 06 | Primary | 5 | 2,986 | 6.5% | |
| 2000 | MD | D | U.S. House | District 06 | Primary | 1 | 23,089 | 54.0% | |
| 2000 | MD | D | U.S. House | District 06 | General | 2 | 109,136 | 39.3% | |
| 2002 | MD | D | U.S. House | District 06 | Primary | 1 | 17,067 | 52.3% | |
| 2002 | MD | D | U.S. House | District 06 | General | 2 | 75,575 | 33.8% | |
|
Age: Age as of July 1 of the year pertaining to this election. |