Maine Political Data

Orrington

Incorporated 1788

Settlers reportedly meant to call it "Orangetown," but it was recorded in Massachusetts as "Orrington."

Population
3,912
2025 est. · 2020 Census 3,812
Household income
$94,556
Maine $74,733
Home value
$309,000
Maine $296,600
Registered voters
2,777
As of March 2026
Enrollment edge
R+17.8
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

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

Who Lives Here

American Community Survey 2020–2024

Orrington at a Glance

Orrington is a town in Penobscot County, Maine, incorporated in 1788. It has an estimated 3,912 residents (2025), compared with 3,812 in the 2020 Census.

It is part of Congressional District 2, State Senate District 10, State House District 19, and County Commissioner District 1, in the Greater Bangor region.

In the 2024 presidential race, Donald Trump carried Orrington with 56.2% to 42.4% for Kamala Harris. That was a Republican margin of 13.8 points, against a Democratic margin of 6.9 points statewide. In the 2022 governor’s race, Paul LePage carried Orrington with 55% to 44.1% for Janet Mills. In the 2024 U.S. Senate race, Angus King (Unenrolled) carried Orrington with 46.7% to 43.1% for Demi Kouzounas. On the Partisan Electoral Alignment Index (Partisan EAI), it ranks as the 257th most Republican of 504 towns.

As of March 7, 2026, Orrington had 2,777 active registered voters: 24% Democrats, 41.8% Republicans, 28.4% unenrolled, and 5.2% Green Independents. The median household income is $94,556 and the median home value $309,000, 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.