Long Island is a Democratic stronghold. About 76% of voters here vote Democratic and 24% 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 more than 99% of adults in Long Island typically vote, above the U.S. average of about 62%. Among adults in Long Island, ~77% vote Democratic, ~24% Republican, and ~-1% don't vote. The map below shows estimated turnout by block group.
How Long Island compares
Among cities within 25 miles, Long Island leans more Democratic than 57 of 60 neighbors.
Long Island runs about 45 points more Democratic than Maine as a whole.
Why Long Island 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 Long Island, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 51% of adults in Long Island hold a bachelor's degree, about 23 points above the U.S. average of 28%.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Long Island, 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 Long Island looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Long Island 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 73%, about 13 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Long Island have completed high school, above 94% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Peaks Island, ME D+57
- Chebeague Island, ME D+33
- Cumberland Foreside, ME D+33
- Portland, ME D+62
- Falmouth, ME D+31
- South Portland, ME D+43
- Cape Elizabeth, ME D+46
- Yarmouth, ME D+35
- Cash Corner, ME D+47
Cities with Similar Populations
- Zeandale, KS R+39
- North Condit, OH R+46
- Carmi, AR R+71
- Union Mills, IA R+53
- Parnell, IL R+48
- Havillah, WA R+45
- Hayfield, VA R+41
- McClung, VA R+60
- Chesterfield, TN R+72
- Turnersville, KY R+66
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.