Mount Vernon, NY Political Map | Democrat & Republican Areas in Mount Vernon

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

Mount Vernon is a Democratic stronghold. About 85% of voters here vote Democratic and 15% Republican.

 

About 55% of adults in Mount Vernon typically vote, below the U.S. average of about 62%. Among adults in Mount Vernon, ~47% vote Democratic, ~8% Republican, and ~45% don't vote. The map below shows estimated turnout by block group.

How Mount Vernon compares

Among cities within 25 miles, Mount Vernon leans more Democratic than 319 of 325 neighbors.

Mount Vernon runs about 57 points more Democratic than New York as a whole.

Politics vary noticeably by neighborhood within Mount Vernon. The south side is the most Democratic-leaning (D+81) and the north side is the least Democratic-leaning (D+48), a spread of about 33 points.

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

Dense areas vote Democratic. More than 99% of residents in Mount Vernon live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Mount Vernon sits in the top quarter (about 35%, above 82% of cities). A high never-married share predicts Democratic voting, and about 44% of adults in Mount Vernon have never been married, above 96% of cities.

Population density and Democratic lean

Places with high population density tend to lean Democratic; Mount Vernon, NY sits in the top tenth nationally on this measure.

Why turnout in Mount Vernon looks the way it does

Renters vote less often than owners. About 55% of households in Mount Vernon rent, about 31 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 25% of adults in Mount Vernon report food insecurity, above 90% 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 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.