Green Island, NY Political Map | Democrat & Republican Areas in Green Island

By the BestNeighborhood data science team. Last updated May 2026.

Green Island leans Democratic by roughly 22 points: about 61% of voters vote Democratic and 39% Republican.

 

About 50% of adults in Green Island typically vote, below the U.S. average of about 62%. Among adults in Green Island, ~31% vote Democratic, ~19% Republican, and ~50% don't vote. The map below shows estimated turnout by block group.

How Green Island compares

Among cities within 25 miles, Green Island leans more Democratic than 118 of 130 neighbors.

Green Island runs about 10 points more Democratic than New York as a whole.

Why Green 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 Green Island, not a ranked or complete list of what matters most.

Dense areas vote Democratic. About 88% of residents in Green Island live in densely developed areas, about 52 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 57% of adults in Green Island have never been married, in the top fraction of cities.

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Green Island, NY sits in the top tenth 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 Green Island looks the way it does

Renters vote less often than owners. About 76% of households in Green Island rent, about 51 points above the U.S. average of 25%. Learn more about the findings and methodology on the political spectrum map.

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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.