Newcastle leans Democratic by roughly 16 points: about 58% of voters vote Democratic and 42% 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 91% of adults in Newcastle typically vote, above the U.S. average of about 62%. Among adults in Newcastle, ~53% vote Democratic, ~38% Republican, and ~9% don't vote. The map below shows estimated turnout by block group.
How Newcastle compares
Among cities within 25 miles, Newcastle leans more Democratic than 76 of 105 neighbors.
Newcastle runs about 9 points more Democratic than Maine as a whole.
Why Newcastle 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 Newcastle, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 45% of adults in Newcastle hold a bachelor's degree, about 16 points above the U.S. average of 28%.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; Newcastle, ME sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Newcastle looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Newcastle is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 69%, about 9 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in Newcastle have completed high school, above 87% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Damariscotta, ME D+8
- Alna, ME D+14
- Nobleboro, ME Even
- North Newcastle, ME R+8
- Alna Center, ME D+18
- South Newcastle, ME D+11
- Bristol, ME D+16
- North Edgecomb, ME D+10
- Bremen, ME D+23
- Head Tide, ME D+4
Cities with Similar Populations
- Hamburg, MI R+16
- Grant, NE R+72
- Highgate Center, VT R+33
- Glen Alpine, NC R+43
- Algoma, MS R+74
- Jefferson, PA R+46
- Friendship, MD R+14
- Basin, WY R+76
- Hardy, AR R+60
- Wind Point, WI D+11
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.