Maine Political Data

Lewiston–Auburn

Region of Maine

One of twelve Regions of Maine drawn for this site from commuting patterns and shared regional identity. It takes in 17 cities, towns and plantations in three counties.

Population
124,363
2025 est. · 2020 Census 118,867
Household income
$67,162
Maine $74,733
Home value
$247,457
Maine $296,600
Registered voters
68,933
As of March 2026
Enrollment edge
R+2.8
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

YesNoLewiston–Auburn’s vote. Click a question for the statewide comparison.

Who Lives Here

American Community Survey 2020–2024

Lewiston–Auburn at a Glance

Lewiston–Auburn is one of twelve Regions of Maine defined for this site. It has an estimated 124,363 residents (2025), compared with 118,867 in the 2020 Census.

It takes in 17 cities, towns and plantations, the largest Lewiston, Auburn, Lisbon, and Poland.

In the 2024 presidential race, Donald Trump carried the region with 52.5% to 45.4% for Kamala Harris. That was a Republican margin of 7.1 points, against a Democratic margin of 6.9 points statewide. In the 2022 governor’s race, Paul LePage carried the region with 49.7% to 48.3% for Janet Mills. In the 2024 U.S. Senate race, Angus King (Unenrolled) carried the region with 50.2% to 38.3% for Demi Kouzounas. On the Partisan Electoral Alignment Index (Partisan EAI), it ranks as the 8th most Republican of 12 regions.

As of March 7, 2026, Lewiston–Auburn had 68,933 active registered voters: 29.7% Democrats, 32.4% Republicans, 32% unenrolled, 4.2% Green Independents, and 1.8% Libertarians. The median household income is $67,162 and the median home value $247,457, against $74,733 and $296,600 statewide.

Below the summary figures, this page has election results back to 1868, 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.