Colonie, NY Political Map | Democrat & Republican Areas in Colonie

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

Colonie leans slightly Democratic by roughly 8 points: about 54% of voters vote Democratic and 46% Republican.

 

About 81% of adults in Colonie typically vote, above the U.S. average of about 62%. Among adults in Colonie, ~44% vote Democratic, ~37% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.

How Colonie compares

Among cities within 25 miles, Colonie leans more Democratic than 106 of 135 neighbors.

Politically, Colonie sits close to the rest of New York.

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

Dense areas vote Democratic. About 89% of residents in Colonie live in densely developed areas, about 53 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Colonie sits in the top quarter (about 36%, above 83% of cities). A high never-married share predicts Democratic voting, and about 34% of adults in Colonie have never been married, above 85% of cities.

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Colonie, 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 Colonie looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Colonie 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 69%, about 9 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.

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.