Prospect Harbor leans Republican by roughly 20 points: about 40% of voters vote Democratic and 60% 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 92% of adults in Prospect Harbor typically vote, above the U.S. average of about 62%. Among adults in Prospect Harbor, ~37% vote Democratic, ~55% Republican, and ~8% don't vote. The map below shows estimated turnout by block group.
How Prospect Harbor compares
Among cities within 25 miles, Prospect Harbor leans more Republican than 27 of 48 neighbors.
Prospect Harbor runs about 28 points more Republican than Maine as a whole. Maine leans Democratic overall, while Prospect Harbor is one of the few Republican-leaning pockets.
Why Prospect Harbor 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 Prospect Harbor, not a ranked or complete list of what matters most.
Prospect Harbor votes against the grain of Maine. Maine leans Democratic overall, while Prospect Harbor runs about 28 points more Republican.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Prospect Harbor, ME sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Prospect Harbor looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Prospect Harbor 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 65%, above 68% of cities. High high-school completion lines up with higher turnout, and about 96% of adults in Prospect Harbor have completed high school, above 84% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Winter Harbor, ME R+16
- Birch Harbor, ME R+22
- Gouldsboro, ME R+20
- Corea, ME R+27
- Steuben, ME R+29
- Sorrento, ME R+11
- Pigeon Hill, ME R+28
- Sullivan, ME R+11
- Wyman, ME R+26
- Bar Harbor, ME D+44
Cities with Similar Populations
- Cambria, MI R+54
- Merriam, IL R+73
- New Berlin, TX R+66
- Taylor Crossroads, TN R+71
- Orlando, KY R+73
- East Pocahontas, AR R+57
- Stony Creek, NY R+38
- Lehigh, IA R+44
- Moores Bridge, AL R+82
- Munsonville, NH D+4
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.