| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 2006 | MD | D | Governor | Primary | 1 | 524,671 | 100.0% | ||
| 2006 | MD | D | Governor | General | 1 | 942,279 | 52.7% | ||
| 2010 | MD | D | Governor | Primary | 1 | 414,595 | 86.3% | ||
| 2010 | MD | D | Governor | General | 1 | 1,044,961 | 56.3% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |