Maine Political Data

Orono

Incorporated 1806

Named for Joseph Orono, a Penobscot chief who supported the American Revolution.

Population
12,421
2025 est. · 2020 Census 11,183
Household income
$61,528
Maine $74,733
Home value
$272,600
Maine $296,600
Registered voters
6,006
As of March 2026
Enrollment edge
D+27.6
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

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

Who Lives Here

American Community Survey 2020–2024

Orono at a Glance

Orono is a town in Penobscot County, Maine, incorporated in 1806. It has an estimated 12,421 residents (2025), compared with 11,183 in the 2020 Census.

It is part of Congressional District 2, State Senate District 8, State House District 25 (77% of residents), State House District 24 (23% of residents), and County Commissioner District 3, in the Greater Bangor region.

In the 2024 presidential race, Kamala Harris carried Orono with 68.1% to 28.2% for Donald Trump. That was a Democratic margin of 39.9 points, against a Democratic margin of 6.9 points statewide. In the 2022 governor’s race, Janet Mills carried Orono with 77.5% to 20.1% for Paul LePage. In the 2024 U.S. Senate race, Angus King (Unenrolled) carried Orono with 52.7% to 24% for David Costello. On the Partisan Electoral Alignment Index (Partisan EAI), it ranks as the 13th most Democratic of 504 towns.

As of March 7, 2026, Orono had 6,006 active registered voters: 44.6% Democrats, 17% Republicans, 33.2% unenrolled, 4.2% Green Independents, and 1.1% Libertarians. The median household income is $61,528 and the median home value $272,600, 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.