Block Island leans Democratic by roughly 20 points: about 60% of voters vote Democratic and 40% Republican. These figures are model estimates: Rhode Island 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 94% of adults in Block Island typically vote, above the U.S. average of about 62%. Among adults in Block Island, ~56% vote Democratic, ~38% Republican, and ~6% don't vote. The map below shows estimated turnout by block group.
How Block Island compares
Among cities within 25 miles, Block Island leans more Democratic than 20 of 24 neighbors.
Block Island runs about 7 points more Democratic than Rhode Island as a whole.
Why Block 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 Block Island, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 67% of adults in Block Island hold a bachelor's degree, about 39 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; Block Island, RI 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 Block Island looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Block 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 74%, about 14 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Block Island have completed high school, above 93% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Charlestown, RI R+3
- South Kingstown, RI D+15
- Tuckertown, RI D+12
- Wakefield, RI D+12
- Bradford, RI R+8
- Westerly, RI D+7
- Narragansett Pier, RI D+29
- Kenyon, RI R+4
- Narragansett, RI D+19
- Wakefield-Peacedale, RI D+33
Cities with Similar Populations
- Bradford, NH D+7
- Hull, TX R+82
- Rutherford College, NC R+49
- Legion, TX R+48
- Green Village, NJ D+5
- Stevens Mill, NC R+33
- Fort Meade, SD R+49
- Wolf Creek, OR R+33
- North Salem, IN R+57
- Mammoth, AZ Even
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Sources and methodology
Precinct-level voting records used to fit the model come from Rhode Island 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. RI 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.