| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 2000 | CO | D | State House | District 009 | General | 1 | 14,687 | 60.5% | |
| 2002 | CO | D | State House | District 006 | General | 1 | 18,208 | 84.3% | |
| 2004 | CO | D | State House | District 006 | General | 1 | 23,782 | 70.0% | |
| 2006 | CO | D | State House | District 006 | Primary | 1 | 5,184 | 100.0% | |
| 2006 | CO | D | State House | District 006 | General | 1 | 19,640 | 75.7% | |
| 2010 | CO | D | U.S. Senate Class 3 | Primary | 2 | 156,419 | 45.9% | ||
| 2014 | CO | D | U.S. House | District 06 | Primary | 1 | 24,267 | 100.0% | |
| 2014 | CO | D | U.S. House | District 06 | General | 2 | 118,847 | 43.0% | |
| 2020 | CO | D | U.S. Senate Class 2 | Primary | 2 | 412,955 | 41.3% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |