Monticello
Incorporated 1846Named for Thomas Jefferson's estate. It was earlier Wellington Plantation, after first owner Gen. Joel Wellington.
Voter Registration
Active voters, Secretary of State file of March 7, 2026Current enrollment
Registration history
Recent General Election Results
Referendums
YesNoMonticello’s vote. Click a question for the statewide comparison.How Monticello Compares
Presidential margin vs. Maine
Democratic minus Republican share of the candidate vote. The gap between the lines shows how differently Monticello 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 2020–2024Monticello at a Glance
Monticello is a town in Aroostook County, Maine, incorporated in 1846. It has an estimated 725 residents (2025), compared with 737 in the 2020 Census.
It is part of Congressional District 2, State Senate District 2, State House District 6, and County Commissioner District 1, in The County region.
In the 2024 presidential race, Donald Trump carried Monticello with 80.2% to 19% for Kamala Harris. That was a Republican margin of 61.2 points, against a Democratic margin of 6.9 points statewide. In the 2022 governor’s race, Paul LePage carried Monticello with 70.2% to 27.9% for Janet Mills. In the 2024 U.S. Senate race, Demi Kouzounas carried Monticello with 46.3% to 40.8% for Angus King (Unenrolled). On the Partisan Electoral Alignment Index (Partisan EAI), it ranks as the 28th most Republican of 504 towns.
As of March 7, 2026, Monticello had 437 active registered voters: 11.7% Democrats, 48.7% Republicans, 36.6% unenrolled, and 2.5% Green Independents. The median household income is $51,875 and the median home value $125,800, against $74,733 and $296,600 statewide.
Below the summary figures, this page has election results back to 1868 (with county figures from 1839), 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.