Rockland
Incorporated 1848 as East Thomaston · city since 1854Set off from Thomaston as East Thomaston in 1848 and renamed Rockland in 1850, a name reflecting its rocky limestone ledges. The village was earlier called Shore Village.
Voter Registration
Active voters, Secretary of State file of March 7, 2026Current enrollment
Registration history
Recent General Election Results
Referendums
YesNoRockland’s vote. Click a question for the statewide comparison.How Rockland Compares
Presidential margin vs. Maine
Democratic minus Republican share of the candidate vote. The gap between the lines shows how differently Rockland 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 2020–2024Rockland at a Glance
Rockland is a city in Knox County, Maine, incorporated in 1848 as East Thomaston, a city since 1854. It has an estimated 7,142 residents (2025), compared with 6,936 in the 2020 Census.
It is part of Congressional District 1, State Senate District 12, State House District 42, and County Commissioner District 1, in the Midcoast region.
In the 2024 presidential race, Kamala Harris carried Rockland with 64.7% to 32.5% for Donald Trump. That was a Democratic margin of 32.2 points, against a Democratic margin of 6.9 points statewide. In the 2022 governor’s race, Janet Mills carried Rockland with 68.6% to 29.6% for Paul LePage. In the 2024 U.S. Senate race, Angus King (Unenrolled) carried Rockland with 59.5% to 23.7% for Demi Kouzounas. On the Partisan Electoral Alignment Index (Partisan EAI), it ranks as the 33rd most Democratic of 504 towns.
As of March 7, 2026, Rockland had 4,376 active registered voters: 44.2% Democrats, 20.8% Republicans, 32.4% unenrolled, and 2.1% Green Independents. The median household income is $56,533 and the median home value $245,800, against $74,733 and $296,600 statewide.
Below the summary figures, this page has election results back to 1868 (with county figures from 1860), 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.