Monroe
Incorporated 1818Named for President James Monroe.
Voter Registration
Active voters, Secretary of State file of March 7, 2026Current enrollment
Registration history
Recent General Election Results
Referendums
YesNoMonroe’s vote. Click a question for the statewide comparison.How Monroe Compares
Presidential margin vs. Maine
Democratic minus Republican share of the candidate vote. The gap between the lines shows how differently Monroe 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 2020–2024Monroe at a Glance
Monroe is a town in Waldo County, Maine, incorporated in 1818. It has an estimated 941 residents (2025), compared with 931 in the 2020 Census.
It is part of Congressional District 2, State Senate District 11, State House District 38, and County Commissioner District 2, in the Central Maine region.
In the 2024 presidential race, Kamala Harris carried Monroe with 51.1% to 43.6% for Donald Trump. That was a Democratic margin of 7.5 points, against a Democratic margin of 6.9 points statewide. In the 2022 governor’s race, Janet Mills carried Monroe with 57.5% to 39.1% for Paul LePage. In the 2024 U.S. Senate race, Angus King (Unenrolled) carried Monroe with 44.9% to 34.8% for Demi Kouzounas. On the Partisan Electoral Alignment Index (Partisan EAI), it ranks as the 96th most Democratic of 504 towns.
As of March 7, 2026, Monroe had 660 active registered voters: 36.4% Democrats, 30.3% Republicans, 26.5% unenrolled, and 6.4% Green Independents. The median household income is $81,300 and the median home value $220,300, against $74,733 and $296,600 statewide.
Below the summary figures, this page has election results back to 1868 (with county figures from 1827), 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.