Colts Neck, NJ Political Map | Democrat & Republican Areas in Colts Neck

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

Colts Neck leans heavily Republican by roughly 32 points: about 34% of voters vote Democratic and 66% Republican.

 

About 94% of adults in Colts Neck typically vote, above the U.S. average of about 62%. Among adults in Colts Neck, ~32% vote Democratic, ~62% Republican, and ~6% don't vote. The map below shows estimated turnout by block group.

How Colts Neck compares

Among cities within 25 miles, Colts Neck leans more Republican than 145 of 159 neighbors.

Colts Neck runs about 37 points more Republican than New Jersey as a whole. New Jersey leans Democratic overall, while Colts Neck is one of the few Republican-leaning pockets.

Politics vary noticeably by neighborhood within Colts Neck. The west side is the most Republican-leaning (R+34) and the southeast side is the least Republican-leaning (R+24), a spread of about 10 points.

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

Colts Neck votes Republican even though it is densely developed (about 53%, modestly below the New Jersey average of 61%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 81% of households in Colts Neck are family households, above 92% of cities. Colts Neck runs against the grain of New Jersey, a Republican-leaning pocket in a Democratic-leaning state.

Cancer-screening access and voter turnout

Places with high colon-cancer-screening access tend to turn out at a higher rate; Colts Neck, NJ 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 Colts Neck looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Colts Neck 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 77%, about 17 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 93% of households in Colts Neck own their home, about 18 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 98% of adults in Colts Neck 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 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.