| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1986 | MD | D | State House | District 021 | Primary | 3 | 5,153 | 22.8% | |
| 1986 | MD | D | State House | District 021 | General | 3 | 11,292 | 32.0% | |
| 1990 | MD | D | State House | District 021 | Primary | 3 | 6,014 | 28.9% | |
| 1990 | MD | D | State House | District 021 | General | 3 | 10,748 | 24.2% | |
| 1994 | MD | D | State House | District 021 | Primary | 2 | 4,875 | 23.7% | |
| 1994 | MD | D | State House | District 021 | General | 2 | 12,725 | 27.9% | |
| 2006 | MD | D | State Senate | District 021 | Primary | 1 | 5,835 | 58.5% | |
| 2006 | MD | D | State Senate | District 021 | General | 1 | 18,067 | 67.6% | |
| 2010 | MD | D | State Senate | District 021 | General | 1 | 23,331 | 98.7% | |
| 2014 | MD | D | State Senate | District 021 | Primary | 1 | 6,723 | 100.0% | |
| 2014 | MD | D | State Senate | District 021 | General | 1 | 22,241 | 97.6% | |
| 2018 | MD | D | State Senate | District 021 | General | 1 | 32,262 | 77.6% | |
| 2022 | MD | D | State Senate | District 021 | General | 1 | 23,666 | 79.0% | |
|
Age: Age as of July 1 of the year pertaining to this election. |