Casco
Incorporated 1841Set off from Raymond, an area first known as Raymondtown, and incorporated under the name Casco in 1841.
Voter Registration
Active voters, Secretary of State file of March 7, 2026Current enrollment
Registration history
Recent General Election Results
Referendums
YesNoCasco’s vote. Click a question for the statewide comparison.How Casco Compares
Presidential margin vs. Maine
Democratic minus Republican share of the candidate vote. The gap between the lines shows how differently Casco 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 2020–2024Casco at a Glance
Casco is a town in Cumberland County, Maine, incorporated in 1841. It has an estimated 3,779 residents (2025), compared with 3,646 in the 2020 Census.
It is part of Congressional District 1, State Senate District 26, State House District 86, and County Commissioner District 2, in the Sebago Lakes Region.
In the 2024 presidential race, Donald Trump carried Casco with 52.5% to 45.9% for Kamala Harris. That was a Republican margin of 6.6 points, against a Democratic margin of 6.9 points statewide. In the 2022 governor’s race, Paul LePage carried Casco with 49.5% to 49% for Janet Mills. In the 2024 U.S. Senate race, Angus King (Unenrolled) carried Casco with 47.9% to 40.2% for Demi Kouzounas. On the Partisan Electoral Alignment Index (Partisan EAI), it ranks as the 310th most Republican of 504 towns.
As of March 7, 2026, Casco had 2,523 active registered voters: 27.1% Democrats, 33.1% Republicans, 34.1% unenrolled, and 5.1% Green Independents. The median household income is $69,313 and the median home value $355,500, 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.