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

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

Chappaqua leans Democratic by roughly 26 points: about 63% of voters vote Democratic and 37% Republican.

 

About 91% of adults in Chappaqua typically vote, above the U.S. average of about 62%. Among adults in Chappaqua, ~57% vote Democratic, ~34% Republican, and ~9% don't vote. The map below shows estimated turnout by block group.

How Chappaqua compares

Among cities within 25 miles, Chappaqua leans more Democratic than 167 of 197 neighbors.

Chappaqua runs about 14 points more Democratic than New York as a whole.

Politics vary noticeably by neighborhood within Chappaqua. The east side is the most Democratic-leaning (D+42) and the southwest side is the least Democratic-leaning (D+9), a spread of about 33 points.

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

Areas with high college attainment vote Democratic. About 84% of adults in Chappaqua hold a bachelor's degree, about 56 points above the U.S. average of 28%. Dense areas vote Democratic, and Chappaqua sits in the top fifth on density (about 54%, above 88% of cities).

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; Chappaqua, 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 Chappaqua looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Chappaqua 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 79%, about 19 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Chappaqua have completed high school, above 96% 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.