| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1978 | SC | D | U.S. House | District 01 | Primary | 2 | 7,631 | 13.6% | |
| 1980 | SC | D | U.S. House | District 01 | Primary | 4 | 3,786 | 6.8% | |
| 1982 | SC | D | U.S. House | District 01 | Primary | 3 | 2,765 | 7.3% | |
| 1982 | SC | D | U.S. House | District 01 | Primary Runoff | 2 | 4,174 | 22.5% | |
| 1986 | SC | D | U.S. House | District 01 | Primary | 3 | 3,980 | 9.4% | |
| 1994 | SC | D | U.S. House | District 06 | Primary | 2 | 8,419 | 14.3% | |
| 1996 | SC | D | U.S. House | District 06 | Primary | 2 | 6,950 | 12.5% | |
| 2002 | SC | D | U.S. House | District 06 | Primary | 2 | 4,304 | 11.2% | |
| 2004 | SC | D | U.S. Senate Class 3 | Primary | 2 | 41,070 | 24.5% | ||
| 2006 | SC | D | U.S. House | District 01 | Primary | 1 | 5,100 | 47.5% | |
| 2006 | SC | D | U.S. House | District 01 | Primary Runoff | 2 | 1,335 | 43.9% | |
| 2008 | SC | D | U.S. House | District 01 | Primary | 2 | 4,871 | 34.8% | |
| 2010 | SC | D | U.S. House | District 01 | Primary | 1 | 10,566 | 55.7% | |
| 2010 | SC | D | U.S. House | District 01 | General | 2 | 67,008 | 28.7% | |
| 2013 | SC | D | U.S. House | District 01 | Special Primary | 2 | 682 | 4.1% | |
|
Age: Age as of July 1 of the year pertaining to this election. |