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

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

Chichester leans heavily Democratic by roughly 38 points: about 69% of voters vote Democratic and 31% Republican.

 

About 77% of adults in Chichester typically vote, above the U.S. average of about 62%. Among adults in Chichester, ~53% vote Democratic, ~24% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.

How Chichester compares

Among cities within 25 miles, Chichester leans more Democratic than 93 of 104 neighbors.

Chichester runs about 26 points more Democratic than New York as a whole.

Politics vary noticeably by neighborhood within Chichester. The northeast side is the most Democratic-leaning (D+74) and the north side is the least Democratic-leaning (D+37), a spread of about 37 points.

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

Areas with high college attainment vote Democratic. About 56% of adults in Chichester hold a bachelor's degree, about 27 points above the U.S. average of 28%.

Cancer-screening access and voter turnout

Places with high colon-cancer-screening access tend to turn out at a higher rate; Chichester, NY sits in the top quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.

Why turnout in Chichester looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Chichester 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 63%, above 57% of cities. High high-school completion lines up with higher turnout, and about 97% of adults in Chichester have completed high school, above 89% of cities. 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.