South Trenton, NY Political Map | Democrat & Republican Areas in South Trenton

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

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

 

About 73% of adults in South Trenton typically vote, above the U.S. average of about 62%. Among adults in South Trenton, ~25% vote Democratic, ~48% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.

How South Trenton compares

Among cities within 25 miles, South Trenton leans more Republican than 24 of 109 neighbors.

South Trenton runs about 44 points more Republican than New York as a whole. New York leans Democratic overall, while South Trenton is one of the few Republican-leaning pockets.

Politics vary noticeably by neighborhood within South Trenton. The southeast side is the most Republican-leaning (R+40) and the east side is the least Republican-leaning (R+29), a spread of about 11 points.

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

South Trenton votes against the grain of New York. New York leans Democratic overall, while South Trenton runs about 44 points more Republican.

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; South Trenton, NY sits in the top quarter 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 South Trenton looks the way it does

Areas with strong routine healthcare access turn out at higher rates. South Trenton 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 67%, about 7 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.