Dayton
Incorporated 1854Named for Thomas Day, who petitioned to set the town off from Hollis in 1854.
Voter Registration
Active voters, Secretary of State file of March 7, 2026Current enrollment
Registration history
Recent General Election Results
Referendums
YesNoDayton’s vote. Click a question for the statewide comparison.How Dayton Compares
Presidential margin vs. Maine
Democratic minus Republican share of the candidate vote. The gap between the lines shows how differently Dayton 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 2020–2024Dayton at a Glance
Dayton is a town in York County, Maine, incorporated in 1854. It has an estimated 2,182 residents (2025), compared with 2,129 in the 2020 Census.
It is part of Congressional District 1, State Senate District 32, State House District 140, and County Commissioner District 4, in the Western Maine region.
In the 2024 presidential race, Donald Trump carried Dayton with 55.4% to 42.7% for Kamala Harris. That was a Republican margin of 12.7 points, against a Democratic margin of 6.9 points statewide. In the 2022 governor’s race, Paul LePage carried Dayton with 54.8% to 43% for Janet Mills. In the 2024 U.S. Senate race, Angus King (Unenrolled) carried Dayton with 47.6% to 45.3% for Demi Kouzounas. On the Partisan Electoral Alignment Index (Partisan EAI), it ranks as the 235th most Republican of 504 towns.
As of March 7, 2026, Dayton had 1,560 active registered voters: 24.2% Democrats, 36.2% Republicans, 36.5% unenrolled, and 2.6% Green Independents. The median household income is $113,750 and the median home value $398,200, 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.