Maine Political Data

Cumberland

Incorporated 1821

Set off from North Yarmouth in 1821. The name was chosen by Ephraim Sturdivant, a ship captain and the first town treasurer.

Population
8,876
2025 est. · 2020 Census 8,473
Household income
$173,894
Maine $74,733
Home value
$616,800
Maine $296,600
Registered voters
6,529
As of March 2026
Enrollment edge
D+19.8
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

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

Who Lives Here

American Community Survey 2020–2024

Cumberland at a Glance

Cumberland is a town in Cumberland County, Maine, incorporated in 1821. It has an estimated 8,876 residents (2025), compared with 8,473 in the 2020 Census.

It is part of Congressional District 1, State Senate District 25, State House District 110, and County Commissioner District 3, in the Greater Portland region.

In the 2024 presidential race, Kamala Harris carried Cumberland with 70.3% to 27.8% for Donald Trump. That was a Democratic margin of 42.5 points, against a Democratic margin of 6.9 points statewide. In the 2022 governor’s race, Janet Mills carried Cumberland with 70.1% to 28.3% for Paul LePage. In the 2024 U.S. Senate race, Angus King (Unenrolled) carried Cumberland with 64.6% to 23% for Demi Kouzounas. On the Partisan Electoral Alignment Index (Partisan EAI), it ranks as the 39th most Democratic of 504 towns.

As of March 7, 2026, Cumberland had 6,529 active registered voters: 43.3% Democrats, 23.6% Republicans, 31.1% unenrolled, and 1.7% Green Independents. The median household income is $173,894 and the median home value $616,800, 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.