| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1990 | FL | R | Secretary of Education | Primary | 2 | 219,870 | 37.3% | ||
| 2006 | KY | D | U.S. House | District 05 | Primary | 1 | 47,362 | 70.4% | |
| 2006 | KY | D | U.S. House | District 05 | General | 2 | 52,367 | 26.2% | |
| 2008 | KY | D | U.S. Senate Class 2 | Primary | 6 | 13,451 | 2.2% | ||
| 2010 | KY | D | U.S. House | District 05 | Primary | 2 | 23,323 | 34.7% | |
| 2012 | KY | D | U.S. House | District 05 | Primary | 1 | 12,275 | 52.7% | |
| 2012 | KY | D | U.S. House | District 05 | General | 2 | 55,447 | 22.1% | |
| 2014 | KY | D | U.S. House | District 05 | Primary | 1 | 38,949 | 58.8% | |
| 2014 | KY | D | U.S. House | District 05 | General | 2 | 47,617 | 21.7% | |
| 2018 | KY | D | U.S. House | District 05 | Primary | 1 | 33,602 | 58.7% | |
| 2018 | KY | D | U.S. House | District 05 | General | 2 | 45,890 | 21.0% | |
|
Age: Age as of July 1 of the year pertaining to this election. |