South Bristol
Incorporated 1915Named for Bristol, England, like the parent town of Bristol, from which it was set off in 1915.
Voter Registration
Active voters, Secretary of State file of March 7, 2026Current enrollment
Registration history
Recent General Election Results
Referendums
YesNoSouth Bristol’s vote. Click a question for the statewide comparison.How South Bristol Compares
Presidential margin vs. Maine
Democratic minus Republican share of the candidate vote. The gap between the lines shows how differently South Bristol votes from the state.
Turnout in general elections
Ballots cast divided by active registered voters on election day. List maintenance shrinks the denominator in some years (for example 2022), which pushes the rate up.
Who Lives Here
American Community Survey 2020–2024South Bristol at a Glance
South Bristol is a town in Lincoln County, Maine, incorporated in 1915. It has an estimated 1,137 residents (2025), compared with 1,127 in the 2020 Census.
It is part of Congressional District 1, State Senate District 13, State House District 48, and County Commissioner District 2, in the Midcoast region.
In the 2024 presidential race, Kamala Harris carried South Bristol with 61.7% to 34.6% for Donald Trump. That was a Democratic margin of 27.1 points, against a Democratic margin of 6.9 points statewide. In the 2022 governor’s race, Janet Mills carried South Bristol with 61.3% to 36.5% for Paul LePage. In the 2024 U.S. Senate race, Angus King (Unenrolled) carried South Bristol with 57.3% to 29.1% for Demi Kouzounas. On the Partisan Electoral Alignment Index (Partisan EAI), it ranks as the 63rd most Democratic of 504 towns.
As of March 7, 2026, South Bristol had 812 active registered voters: 38.4% Democrats, 26% Republicans, 32.9% unenrolled, and 2.6% Green Independents. The median household income is $69,211 and the median home value $469,200, against $74,733 and $296,600 statewide.
Below the summary figures, this page has election results back to 1916 (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.