Belle Terre is a true toss-up. About 48% of voters here vote Democratic and 52% Republican.
About 83% of adults in Belle Terre typically vote, above the U.S. average of about 62%. Among adults in Belle Terre, ~40% vote Democratic, ~43% Republican, and ~17% don't vote. The map below shows estimated turnout by block group.
How Belle Terre compares
Among cities within 25 miles, Belle Terre leans more Republican than 39 of 111 neighbors.
Belle Terre runs about 17 points more Republican than New York as a whole. New York leans Democratic overall, while Belle Terre is one of the few Republican-leaning pockets.
Why Belle Terre 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 Belle Terre, not a ranked or complete list of what matters most.
Belle Terre votes against the grain of New York. New York leans Democratic overall, while Belle Terre runs about 17 points more Republican.
High-school completion, uninsured rate, and voter turnout
Places that combine high-school-completion-heavy adults and a low uninsured rate tend to turn out at a higher rate, as Belle Terre, NY does.
Why turnout in Belle Terre looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Belle Terre 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 77%, about 17 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 98% of households in Belle Terre own their home, about 23 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and more than 99% of adults in Belle Terre have completed high school, in the top fraction of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Port Jefferson, NY D+11
- Poquott, NY D+11
- Setauket-East Setauket, NY D+3
- East Setauket, NY R+2
- Port Jefferson Station, NY R+15
- Old Field, NY D+5
- Mount Sinai, NY R+24
- Terryville, NY R+21
- Miller Place, NY R+26
- Stony Brook University, NY D+35
Cities with Similar Populations
- Stevenson, MD D+40
- West Sumpter, MI R+17
- Grays Chapel, NC R+63
- Miles Crossing, OR R+31
- Wiley, MI R+27
- Lerado, OH R+64
- Kelly, LA R+93
- Christmas Valley, OR R+66
- Weldona, CO R+68
- Left Hand, WV R+61
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from New York State Board of Elections, 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. Full methodology and findings: political spectrum map.
Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.