Hancock County Commissioner District 3
Current planOne of Hancock County’s three commissioner districts under the current plan (2021, with the 2024 update). It takes in 11 places.
Voter Registration
Active voters, Secretary of State file of March 7, 2026Current enrollment
Registration history
Recent General Election Results
Referendums
YesNoHancock County Commissioner District 3’s vote. Click a question for the statewide comparison.How Hancock County Commissioner District 3 Compares
Presidential margin vs. Maine
Democratic minus Republican share of the candidate vote. The gap between the lines shows how differently Hancock County Commissioner District 3 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 2020–2024Hancock County Commissioner District 3 at a Glance
Hancock County Commissioner District 3 is one of Hancock County’s three commissioner districts under the current plan (2021, with the 2024 update). Its population was 18,416 in the 2020 Census.
It takes in 11 cities, towns and plantations, the largest Bar Harbor, Hancock, Mount Desert, and Southwest Harbor.
In the 2024 presidential race, Kamala Harris carried the district with 60.3% to 36.9% for Donald Trump. That was a Democratic margin of 23.4 points, against a Democratic margin of 6.9 points statewide. In the 2022 governor’s race, Janet Mills carried the district with 62.5% to 35.6% for Paul LePage. In the 2024 U.S. Senate race, Angus King (Unenrolled) carried the district with 57.6% to 28.1% for Demi Kouzounas. On the Partisan Electoral Alignment Index (Partisan EAI), it ranks as the 9th most Democratic of 60 county commissioner districts.
As of March 7, 2026, Hancock County Commissioner District 3 had 13,644 active registered voters: 39.9% Democrats, 26.7% Republicans, 29.8% unenrolled, and 3.1% Green Independents.
Below the summary figures, this page has election results back to 1868, 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.