Maine Political Data

Monhegan Island Plantation

Organized 1839

From an Abenaki word for 'out-to-sea island.' George Weymouth named it St. George in 1605.

Population
62
2025 est. · 2020 Census 64
Household income
—
Maine $74,733
Home value
$701,900
Maine $296,600
Registered voters
68
As of March 2026
Enrollment edge
D+52.9
Democrats over Republicans
Household income and home value are median values. Registered voters are active registrants.

Voter Registration

Active voters, Secretary of State file of March 7, 2026

Current enrollment

Registration history

Recent General Election Results

County & prosecutorial offices

Referendums

YesNoMonhegan Island Plantation’s vote. Click a question for the statewide comparison.

Who Lives Here

American Community Survey 2020–2024

Monhegan Island Plantation at a Glance

Monhegan Island Plantation is a plantation in Lincoln County, Maine, organized in 1839. It has an estimated 62 residents (2025), compared with 64 in the 2020 Census.

It is part of Congressional District 1, State Senate District 13, State House District 46, and County Commissioner District 2, in the Midcoast region.

In the 2024 presidential race, Kamala Harris carried Monhegan Island Plantation with 79.7% to 10.9% for Donald Trump. That was a Democratic margin of 68.8 points, against a Democratic margin of 6.9 points statewide. In the 2022 governor’s race, Janet Mills carried Monhegan Island Plantation with 82.8% to 8.6% for Paul LePage. In the 2024 U.S. Senate race, Angus King (Unenrolled) carried Monhegan Island Plantation with 70.8% to 18.5% for David Costello. On the Partisan Electoral Alignment Index (Partisan EAI), it ranks as the most Democratic of 504 towns.

As of March 7, 2026, Monhegan Island Plantation had 68 active registered voters: 61.8% Democrats, 8.8% Republicans, 20.6% unenrolled, 7.4% Green Independents, and 1.5% Libertarians.

Below the summary figures, this page has election results back to 1869 (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.