Old Chatham, NY Political Map | Democrat & Republican Areas in Old Chatham

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

Old Chatham leans Democratic by roughly 28 points: about 64% of voters vote Democratic and 36% Republican.

 

About 87% of adults in Old Chatham typically vote, above the U.S. average of about 62%. Among adults in Old Chatham, ~56% vote Democratic, ~31% Republican, and ~13% don't vote. The map below shows estimated turnout by block group.

How Old Chatham compares

Among cities within 25 miles, Old Chatham leans more Democratic than 102 of 131 neighbors.

Old Chatham runs about 16 points more Democratic than New York as a whole.

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

Areas with high college attainment vote Democratic. About 51% of adults in Old Chatham hold a bachelor's degree, about 23 points above the U.S. average of 28%.

Food insecurity and voter turnout

Places with low food insecurity tend to turn out at a higher rate; Old Chatham, NY sits in the bottom tenth nationally on this measure. Food insecurity does not directly drive turnout; it reflects economic hardship, which lines up with lower voting.

Why turnout in Old Chatham looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Old Chatham 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%. 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.