Berwick leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican. These figures are model estimates: Maine did not have precinct-level voting records available for training, so the numbers above come from demographic and health features rather than local ground truth.
About 83% of adults in Berwick typically vote, above the U.S. average of about 62%. Among adults in Berwick, ~37% vote Democratic, ~46% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Berwick compares
Among cities within 25 miles, Berwick leans more Republican than 49 of 90 neighbors.
Berwick runs about 17 points more Republican than Maine as a whole. Maine leans Democratic overall, while Berwick is one of the few Republican-leaning pockets.
Politics vary noticeably by neighborhood within Berwick. The southeast side is the most split-leaning (R+23) and the southwest side is the least split-leaning (Even), a spread of about 22 points.
Why Berwick leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Berwick, not a ranked or complete list of what matters most.
Berwick votes against the grain of Maine. Maine leans Democratic overall, while Berwick runs about 17 points more Republican.
Food insecurity and voter turnout
Places with low food insecurity tend to turn out at a higher rate; Berwick, ME sits in the bottom tenth nationally on this measure. Food insecurity does not directly drive turnout; it reflects economic hardship, which lines up with lower voting.
Why turnout in Berwick looks the way it does
Areas with high high-school completion turn out at higher rates. About 96% of adults in Berwick have completed high school, about 6 points above the U.S. average of 90%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Somersworth, NH D+2
- Rollinsford, NH D+4
- Tatnic, ME R+23
- South Berwick, ME Even
- North Berwick, ME R+19
- Rochester, NH R+9
- Dover, NH D+22
- Lebanon, ME R+34
- East Lebanon, ME R+32
- Brixham, ME Even
Cities with Similar Populations
- Richland, MI R+13
- Hensley, AR R+48
- Mooresboro, NC R+59
- Weed, CA Even
- Fort Washington, PA D+25
- Solvay, NY D+8
- Dingmans Ferry, PA R+29
- McCall, ID R+36
- Montevideo, MN R+26
- Great Barrington, MA D+54
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Maine Secretary of State, Bureau of Corporations Elections and Commissions, distributed by the Voting and Election Science Team. Demographic inputs come from the U.S. Census Bureau (ACS 5-year estimates and the 2020 Decennial Census). Health and environmental inputs come from the CDC (PLACES and the Environmental Justice Index). Land cover comes from the USGS and EPA. Election-day and lead-up weather come from PRISM 4km daily grids and the NOAA Global Historical Climatology Network. Mail-voting and election-administration patterns come from the MIT Election Lab's Survey of the Performance of American Elections. Block-group crime detail comes from CrimeGrade. Internet data and modeling support provided by ISPreports.org.
Modeling and analysis by the BestNeighborhood data science team. ME did not have precinct-level voting records available for training, so the figures here come from extrapolation across demographic, health, and land-use features rather than local ground truth. Full methodology and findings: political spectrum map.
Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.