Trenton
Incorporated 1789Named for the Revolutionary War Battle of Trenton. The area was earlier called Thornbury and Thorndike Plantation.
Voter Registration
Active voters, Secretary of State file of March 7, 2026Current enrollment
Registration history
Recent General Election Results
Referendums
YesNoTrenton’s vote. Click a question for the statewide comparison.How Trenton Compares
Presidential margin vs. Maine
Democratic minus Republican share of the candidate vote. The gap between the lines shows how differently Trenton 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 2020–2024Trenton at a Glance
Trenton is a town in Hancock County, Maine, incorporated in 1789. It has an estimated 1,656 residents (2025), compared with 1,584 in the 2020 Census.
It is part of Congressional District 2, State Senate District 7, State House District 16, and County Commissioner District 3, in the Acadia Region.
In the 2024 presidential race, Kamala Harris carried Trenton with 50.3% to 46.2% for Donald Trump. That was a Democratic margin of 4.1 points, against a Democratic margin of 6.9 points statewide. In the 2022 governor’s race, Janet Mills carried Trenton with 55.3% to 42.5% for Paul LePage. In the 2024 U.S. Senate race, Angus King (Unenrolled) carried Trenton with 56.1% to 33.3% for Demi Kouzounas. On the Partisan Electoral Alignment Index (Partisan EAI), it ranks as the 116th most Democratic of 504 towns.
As of March 7, 2026, Trenton had 1,104 active registered voters: 31.8% Democrats, 32.3% Republicans, 31.5% unenrolled, and 3.6% Green Independents. The median household income is $60,455 and the median home value $357,400, 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.