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

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

Guilderland leans Democratic by roughly 30 points: about 65% of voters vote Democratic and 35% Republican.

 

About 62% of adults in Guilderland typically vote, near the U.S. average of about 62%. Among adults in Guilderland, ~41% vote Democratic, ~22% Republican, and ~37% don't vote. The map below shows estimated turnout by block group.

How Guilderland compares

Among cities within 25 miles, Guilderland leans more Democratic than 137 of 142 neighbors.

Guilderland runs about 17 points more Democratic than New York as a whole.

Politics vary noticeably by neighborhood within Guilderland. The east side is the most Democratic-leaning (D+34) and the northwest side is the least Democratic-leaning (D+16), a spread of about 18 points.

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

Areas with high college attainment vote Democratic. About 61% of adults in Guilderland hold a bachelor's degree, about 32 points above the U.S. average of 28%. Dense areas vote Democratic, and Guilderland sits in the top fifth on density (about 64%, above 91% of cities). A high never-married share predicts Democratic voting, and about 33% of adults in Guilderland have never been married, above 83% of cities.

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; Guilderland, NY sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in Guilderland looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Guilderland 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 Guilderland have completed high school, above 94% of cities. 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.