Maine Political Data

Lisbon

Incorporated 1799 as Thompsonborough

Incorporated as Thompsonborough, after landowner Gen. Samuel Thompson; residents disliked the name and it was changed in 1802 to Lisbon, after the capital of Portugal.

Population
9,919
2025 est. · 2020 Census 9,711
Household income
$77,819
Maine $74,733
Home value
$258,300
Maine $296,600
Registered voters
5,613
As of March 2026
Enrollment edge
R+9.2
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

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

Who Lives Here

American Community Survey 2020–2024

Lisbon at a Glance

Lisbon is a town in Androscoggin County, Maine, incorporated in 1799 as Thompsonborough. It has an estimated 9,919 residents (2025), compared with 9,711 in the 2020 Census.

It is part of Congressional District 2, State Senate District 17, State House District 97 (89% of residents), State House District 98 (11% of residents), and County Commissioner District 4, in the Lewiston–Auburn region.

In the 2024 presidential race, Donald Trump carried Lisbon with 54.3% to 43.5% for Kamala Harris. That was a Republican margin of 10.8 points, against a Democratic margin of 6.9 points statewide. In the 2022 governor’s race, Paul LePage carried Lisbon with 52.3% to 46% for Janet Mills. In the 2024 U.S. Senate race, Angus King (Unenrolled) carried Lisbon with 50.2% to 39.1% for Demi Kouzounas. On the Partisan Electoral Alignment Index (Partisan EAI), it ranks as the 286th most Republican of 504 towns.

As of March 7, 2026, Lisbon had 5,613 active registered voters: 26.1% Democrats, 35.3% Republicans, 34.7% unenrolled, 2.9% Green Independents, and 1% Libertarians. The median household income is $77,819 and the median home value $258,300, against $74,733 and $296,600 statewide.

Below the summary figures, this page has election results back to 1868 (with county figures from 1854), 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.