| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1950 | MD | D | Governor | Primary | 2 | 191,193 | 50.1% | ||
| 1952 | MD | D | U.S. Senate Class 1 | Primary | 1 | 136,932 | 51.1% | ||
| 1952 | MD | D | U.S. Senate Class 1 | General | 2 | 406,370 | 47.5% | ||
| 1954 | MD | D | Governor | Primary | 2 | 159,230 | 49.4% | ||
| 1956 | MD | D | U.S. Senate Class 3 | Primary | 2 | 134,246 | 44.8% | ||
| 1956 | MD | D | U.S. Senate Class 3 | General | 2 | 419,108 | 47.0% | ||
| 1958 | MD | D | U.S. Senate Class 1 | Primary | 2 | 119,796 | 33.2% | ||
| 1962 | MD | D | Governor | Primary | 2 | 125,966 | 28.5% | ||
| 1966 | MD | D | Governor | Primary | 1 | 148,446 | 30.2% | ||
| 1966 | MD | D | Governor | General | 2 | 373,543 | 40.7% | ||
| 1968 | MD | I | U.S. Senate Class 3 | General | 3 | 148,467 | 13.1% | ||
| 1970 | MD | D | U.S. Senate Class 1 | Primary | 2 | 173,157 | 37.6% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |