| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 2004 | KY | D | U.S. Senate Class 3 | Primary | 1 | 142,162 | 64.9% | ||
| 2004 | KY | D | U.S. Senate Class 3 | General | 2 | 850,855 | 49.3% | ||
| 2007 | KY | D | Lt. Governor | Primary | 1 | 0 | 0.0% | ||
| 2007 | KY | D | Lt. Governor | General | 1 | 0 | 0.0% | ||
| 2010 | KY | D | U.S. Senate Class 3 | Primary | 2 | 225,260 | 43.2% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |