New Rochelle leans heavily Democratic by roughly 34 points: about 67% of voters vote Democratic and 33% Republican.
About 58% of adults in New Rochelle typically vote, near the U.S. average of about 62%. Among adults in New Rochelle, ~39% vote Democratic, ~19% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How New Rochelle compares
Among cities within 25 miles, New Rochelle leans more Democratic than 283 of 324 neighbors.
New Rochelle runs about 22 points more Democratic than New York as a whole.
Politics vary noticeably by neighborhood within New Rochelle. The west side is the most Democratic-leaning (D+48) and the southwest side is the least Democratic-leaning (D+25), a spread of about 23 points.
Why New Rochelle 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 New Rochelle, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 96% of residents in New Rochelle live in densely developed areas, about 59 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and New Rochelle sits in the top quarter (about 49%, above 93% of cities). A high never-married share predicts Democratic voting, and about 35% of adults in New Rochelle have never been married, above 88% of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; New Rochelle, NY sits in the top tenth nationally on this measure.
Why turnout in New Rochelle looks the way it does
Renters vote less often than owners. About 44% of households in New Rochelle rent, about 19 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 7% of homes in New Rochelle have more than one occupant per room, above 93% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Pelham, NY D+42
- Larchmont, NY D+43
- Pelham Manor, NY D+30
- Mount Vernon, NY D+69
- Bronxville, NY D+26
- Tuckahoe, NY D+13
- Mamaroneck, NY D+21
- Eastchester, NY D+9
- Yonkers, NY D+25
- Scarsdale, NY D+33
Cities with Similar Populations
- O'fallon, MO R+16
- Rochester Hills, MI D+5
- San Pedro, CA D+27
- Stockbridge, GA D+40
- Flower Mound, TX R+16
- Mililani, HI D+14
- Simpsonville, SC R+22
- Caldwell, ID R+37
- Southfield, MI D+70
- Mansfield, OH R+14
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.