| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 2006 | MD | D | Attorney General | Primary | 1 | 286,016 | 55.7% | ||
| 2006 | MD | D | Attorney General | General | 1 | 1,043,458 | 61.0% | ||
| 2010 | MD | D | Attorney General | Primary | 1 | 376,483 | 100.0% | ||
| 2010 | MD | D | Attorney General | General | 1 | 1,349,962 | 98.2% | ||
| 2014 | MD | D | Governor | Primary | 2 | 117,383 | 24.2% | ||
| 2022 | MD | D | Governor | Primary | 5 | 25,481 | 3.8% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |