Plymouth
Incorporated 1826Named for Plymouth, Massachusetts, which was named for Plymouth, England.
Voter Registration
Active voters, Secretary of State file of March 7, 2026Current enrollment
Registration history
Recent General Election Results
Referendums
YesNoPlymouth’s vote. Click a question for the statewide comparison.How Plymouth Compares
Presidential margin vs. Maine
Democratic minus Republican share of the candidate vote. The gap between the lines shows how differently Plymouth votes from the state.
Turnout in general elections
Ballots cast divided by active registered voters on election day. List maintenance shrinks the denominator in some years (for example 2022), which pushes the rate up.
Who Lives Here
American Community Survey 2020–2024Plymouth at a Glance
Plymouth is a town in Penobscot County, Maine, incorporated in 1826. It has an estimated 1,328 residents (2025), compared with 1,325 in the 2020 Census.
It is part of Congressional District 2, State Senate District 3, State House District 33, and County Commissioner District 2, in the Greater Bangor region.
In the 2024 presidential race, Donald Trump carried Plymouth with 70.9% to 27.7% for Kamala Harris. That was a Republican margin of 43.2 points, against a Democratic margin of 6.9 points statewide. In the 2022 governor’s race, Paul LePage carried Plymouth with 66.3% to 31.6% for Janet Mills. In the 2024 U.S. Senate race, Demi Kouzounas carried Plymouth with 51.9% to 39.9% for Angus King (Unenrolled). On the Partisan Electoral Alignment Index (Partisan EAI), it ranks as the 76th most Republican of 504 towns.
As of March 7, 2026, Plymouth had 835 active registered voters: 16.2% Democrats, 49.1% Republicans, 30.7% unenrolled, 2.9% Green Independents, and 1.2% Libertarians. The median household income is $61,964 and the median home value $207,100, against $74,733 and $296,600 statewide.
Below the summary figures, this page has election results back to 1868 (with county figures from 1821), voter registration since 1954, referendum votes, turnout, and Census and American Community Survey figures. Sources are listed at the foot of the page and on the Data Sources page.