| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 2006 | MD | D | U.S. House | District 06 | Primary | 1 | 22,903 | 59.2% | |
| 2006 | MD | D | U.S. House | District 06 | General | 2 | 92,030 | 38.4% | |
| 2008 | MD | D | U.S. House | District 06 | Primary | 2 | 21,629 | 36.8% | |
| 2010 | MD | D | U.S. House | District 06 | Primary | 1 | 21,605 | 65.4% | |
| 2010 | MD | D | U.S. House | District 06 | General | 2 | 80,455 | 33.2% | |
| 2018 | MD | D | U.S. House | District 06 | Primary | 5 | 2,949 | 4.9% | |
| 2022 | MD | D | State House | District 004 | General | 4 | 24,489 | 15.2% | |
|
Age: Age as of July 1 of the year pertaining to this election. |