| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1966 | MD | D | State Senate | District 13B | General | 1 | 18,898 | 65.7% | |
| 1970 | MD | D | State Senate | District 013 | Primary | 1 | 9,541 | 41.7% | |
| 1970 | MD | D | State Senate | District 013 | General | 1 | 25,411 | 73.0% | |
| 1974 | MD | D | State Senate | District 012 | Primary | 1 | 14,110 | 84.7% | |
| 1974 | MD | D | State Senate | District 012 | General | 1 | 21,861 | 85.4% | |
| 1978 | MD | D | State Senate | District 012 | General | 1 | 22,223 | 82.0% | |
| 1982 | MD | D | State Senate | District 011 | General | 1 | 24,109 | 100.0% | |
| 1986 | MD | D | Lt. Governor | Primary | 1 | 0 | 0.0% | ||
| 1986 | MD | D | Lt. Governor | General | 1 | 0 | 0.0% | ||
| 1990 | MD | D | Lt. Governor | General | 1 | 0 | 0.0% | ||
| 1994 | MD | D | Governor | Primary | 3 | 82,308 | 15.0% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |