| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1994 | MT | D | State House | District 007 | Primary | 1 | 629 | 65.5% | |
| 1994 | MT | D | State House | District 007 | General | 2 | 1,501 | 44.7% | |
| 1996 | MT | D | State House | District 007 | General | 2 | 1,626 | 46.9% | |
| 1998 | MT | D | State House | District 007 | General | 1 | 1,674 | 52.3% | |
| 2000 | MT | D | State House | District 007 | General | 1 | 2,039 | 57.8% | |
| 2002 | MT | D | State House | District 007 | General | 1 | 1,672 | 55.3% | |
| 2004 | MT | D | State House | District 043 | General | 1 | 2,659 | 58.8% | |
| 2006 | MT | D | U.S. House | At-Large District | Primary | 1 | 66,364 | 71.1% | |
| 2006 | MT | D | U.S. House | At-Large District | General | 2 | 158,916 | 39.1% | |
| 2008 | MT | D | Auditor | Primary | 1 | 143,408 | 100.0% | ||
| 2008 | MT | D | Auditor | General | 1 | 246,522 | 53.5% | ||
| 2012 | MT | D | Auditor | Primary | 1 | 83,570 | 100.0% | ||
| 2012 | MT | D | Auditor | General | 1 | 248,447 | 53.5% | ||
| 2016 | MT | D | Secretary of State | Primary | 1 | 111,525 | 100.0% | ||
| 2016 | MT | D | Secretary of State | General | 2 | 204,861 | 41.0% | ||
|
Age: Age as of July 1 of the year pertaining to this election. |