Maine Political Data

Calais

Incorporated 1809 · city since 1850

Named for the French port of Calais, honoring France's help during the American Revolution. Formerly Plantation No. 5.

Population
3,083
2025 est. · 2020 Census 3,079
Household income
$64,096
Maine $74,733
Home value
$111,100
Maine $296,600
Registered voters
1,718
As of March 2026
Enrollment edge
R+13.3
Republicans over Democrats
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

YesNoCalais’s vote. Click a question for the statewide comparison.

Who Lives Here

American Community Survey 2020–2024

Calais at a Glance

Calais is a city in Washington County, Maine, incorporated in 1809, a city since 1850. It has an estimated 3,083 residents (2025), compared with 3,079 in the 2020 Census.

It is part of Congressional District 2, State Senate District 6, State House District 9, and County Commissioner District 1, in the Downeast region.

In the 2024 presidential race, Donald Trump carried Calais with 58% to 40.3% for Kamala Harris. That was a Republican margin of 17.7 points, against a Democratic margin of 6.9 points statewide. In the 2022 governor’s race, Paul LePage carried Calais with 50% to 47.9% for Janet Mills. In the 2024 U.S. Senate race, Angus King (Unenrolled) carried Calais with 44.7% to 43.7% for Demi Kouzounas. On the Partisan Electoral Alignment Index (Partisan EAI), it ranks as the 277th most Republican of 504 towns.

As of March 7, 2026, Calais had 1,718 active registered voters: 22.4% Democrats, 35.7% Republicans, 39% unenrolled, and 2.1% Green Independents. The median household income is $64,096 and the median home value $111,100, 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.