| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 2006 | NE | D | U.S. House | District 03 | Primary | 1 | 23,929 | 100.0% | |
| 2006 | NE | D | U.S. House | District 03 | General | 2 | 93,046 | 45.0% | |
| 2008 | NE | D | U.S. Senate Class 2 | Primary | 1 | 65,582 | 68.6% | ||
| 2008 | NE | D | U.S. Senate Class 2 | General | 2 | 317,456 | 40.1% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |