Maine Political Data

Mexico

Incorporated 1818

Named out of local sympathy for Mexico's war of independence from Spain. It was once part of Holmanstown Plantation.

Population
2,779
2025 est. · 2020 Census 2,756
Household income
$55,727
Maine $74,733
Home value
$110,800
Maine $296,600
Registered voters
1,368
As of March 2026
Enrollment edge
D+0.4
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

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

Who Lives Here

American Community Survey 2020–2024

Mexico at a Glance

Mexico is a town in Oxford County, Maine, incorporated in 1818. It has an estimated 2,779 residents (2025), compared with 2,756 in the 2020 Census.

It is part of Congressional District 2, State Senate District 19, State House District 77, and County Commissioner District 2, in the Western Maine region.

In the 2024 presidential race, Donald Trump carried Mexico with 57.5% to 41.3% for Kamala Harris. That was a Republican margin of 16.2 points, against a Democratic margin of 6.9 points statewide. In the 2022 governor’s race, Paul LePage carried Mexico with 50.9% to 45.4% for Janet Mills. In the 2024 U.S. Senate race, Angus King (Unenrolled) carried Mexico with 50.8% to 38.3% for Demi Kouzounas. On the Partisan Electoral Alignment Index (Partisan EAI), it ranks as the 346th most Republican of 504 towns.

As of March 7, 2026, Mexico had 1,368 active registered voters: 29.3% Democrats, 28.9% Republicans, 37.4% unenrolled, and 3.8% Green Independents. The median household income is $55,727 and the median home value $110,800, 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.