Black River, NY Political Map | Democrat & Republican Areas in Black River

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

Black River leans Republican by roughly 24 points: about 38% of voters vote Democratic and 62% Republican.

 

About 65% of adults in Black River typically vote, near the U.S. average of about 62%. Among adults in Black River, ~25% vote Democratic, ~40% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.

How Black River compares

Among cities within 25 miles, Black River leans more Republican than 13 of 90 neighbors.

Black River runs about 36 points more Republican than New York as a whole. New York leans Democratic overall, while Black River is one of the few Republican-leaning pockets.

Politics vary noticeably by neighborhood within Black River. The southeast side is the most Republican-leaning (R+39) and the north side is the least Republican-leaning (R+12), a spread of about 27 points.

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

Black River votes Republican even though it is densely developed (about 31%, above 81% of cities). State and regional patterns outweigh the Democratic lean that density usually predicts here. Black River runs against the grain of New York, a Republican-leaning pocket in a Democratic-leaning state.

High-school completion and voter turnout

Places with high-school-completion-heavy adults tend to turn out at a higher rate; Black River, NY sits in the top quarter nationally on this measure.

Why turnout in Black River looks the way it does

Areas with high high-school completion turn out at higher rates. About 97% of adults in Black River have completed high school, about 6 points above the New York average of 91%. 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.