Rensselaer, NY Political Map | Democrat & Republican Areas in Rensselaer

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

Rensselaer leans slightly Democratic by roughly 8 points: about 54% of voters vote Democratic and 46% Republican.

 

About 66% of adults in Rensselaer typically vote, near the U.S. average of about 62%. Among adults in Rensselaer, ~36% vote Democratic, ~30% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.

How Rensselaer compares

Among cities within 25 miles, Rensselaer leans more Democratic than 92 of 129 neighbors.

Rensselaer runs about 4 points more Republican than New York as a whole.

Politics vary noticeably by neighborhood within Rensselaer. The west side is the most Democratic-leaning (D+18) and the south side is the least Democratic-leaning (Even), a spread of about 16 points.

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

Dense areas vote Democratic. About 64% of residents in Rensselaer live in densely developed areas, about 28 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Rensselaer sits in the top quarter (about 38%, above 85% of cities). A high never-married share predicts Democratic voting, and about 38% of adults in Rensselaer have never been married, above 91% of cities.

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Rensselaer, NY sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.

Why turnout in Rensselaer looks the way it does

Turnout in Rensselaer sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.