Chesterfield, NJ Political Map | Democrat & Republican Areas in Chesterfield

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

Chesterfield leans Republican by roughly 18 points: about 41% of voters vote Democratic and 59% Republican.

 

About 82% of adults in Chesterfield typically vote, above the U.S. average of about 62%. Among adults in Chesterfield, ~34% vote Democratic, ~48% Republican, and ~18% don't vote. The map below shows estimated turnout by block group.

How Chesterfield compares

Among cities within 25 miles, Chesterfield leans more Republican than 123 of 163 neighbors.

Chesterfield runs about 23 points more Republican than New Jersey as a whole. New Jersey leans Democratic overall, while Chesterfield is one of the few Republican-leaning pockets.

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

Areas with many family households vote Republican. About 78% of households in Chesterfield are family households, about 11 points above the U.S. average of 67%. Chesterfield runs against the grain of New Jersey, a Republican-leaning pocket in a Democratic-leaning state.

Homeownership and voter turnout

Places with homeowner-heavy households tend to turn out at a higher rate; Chesterfield, NJ sits in the top tenth nationally on this measure.

Why turnout in Chesterfield looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Chesterfield 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 72%, about 12 points above the U.S. average of 60%. Homeowners vote more often than renters, and more than 99% of households in Chesterfield own their home, about 24 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 99% of adults in Chesterfield have completed high school, above 98% 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 Jersey Division 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.