| Year | Age | State | Party | Office | District | Stage | Pos | Votes | % |
|---|---|---|---|---|---|---|---|---|---|
| 1984 | ME | D | State Senate | District 035 | Primary | 2 | 569 | 46.0% | |
| 1988 | ME | D | State House | District 001 | General | 1 | 2,209 | 73.9% | |
| 1990 | ME | D | State House | District 001 | General | 1 | 1,774 | 73.4% | |
| 1992 | ME | D | State Senate | District 035 | General | 1 | 12,034 | 59.8% | |
| 1994 | ME | D | State Senate | District 035 | General | 1 | 7,699 | 55.7% | |
| 1996 | ME | D | State Senate | District 035 | General | 1 | 11,533 | 63.7% | |
| 1998 | ME | D | State Senate | District 035 | General | 1 | 7,974 | 66.1% | |
| 2000 | ME | D | U.S. Senate Class 1 | Primary | 1 | 26,543 | 100.0% | ||
| 2000 | ME | D | U.S. Senate Class 1 | General | 2 | 197,183 | 31.1% | ||
| 2008 | ME | D | U.S. House | District 01 | Primary | 5 | 2,726 | 4.9% | |
| 2016 | ME | D | State House | District 002 | Primary | 1 | 342 | 53.9% | |
| 2016 | ME | D | State House | District 002 | General | 1 | 3,116 | 54.9% | |
| 2018 | ME | D | State Senate | District 035 | General | 1 | 13,408 | 62.5% | |
| 2020 | ME | D | State Senate | District 035 | General | 1 | 17,099 | 62.6% | |
| 2022 | ME | D | State Senate | District 035 | General | 1 | 13,979 | 65.0% | |
| 2024 | ME | D | State Senate | District 035 | General | 1 | 16,491 | 63.6% | |
|
Age: Age as of July 1 of the year pertaining to this election. |