New Cassel leans heavily Democratic by roughly 46 points: about 73% of voters vote Democratic and 27% Republican.
About 46% of adults in New Cassel typically vote, below the U.S. average of about 62%. Among adults in New Cassel, ~34% vote Democratic, ~12% Republican, and ~54% don't vote. The map below shows estimated turnout by block group.
How New Cassel compares
Among cities within 25 miles, New Cassel leans more Democratic than 220 of 231 neighbors.
New Cassel runs about 34 points more Democratic than New York as a whole.
Politics vary noticeably by neighborhood within New Cassel. The east side runs the most Democratic (D+65) and the northwest side runs the most Republican (R+5), a spread of about 71 points.
Why New Cassel 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 Cassel, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in New Cassel live in densely developed areas, about 64 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 47% of adults in New Cassel have never been married, above 97% of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; New Cassel, NY sits in the top tenth nationally on this measure.
Why turnout in New Cassel looks the way it does
Areas with limited routine healthcare access turn out at lower rates. New Cassel is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 38% of households in New Cassel rent, compared to around 20% in nearby cities. High food insecurity lines up with lower turnout, and about 24% of adults in New Cassel report food insecurity, above 90% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Westbury, NY D+16
- Salisbury, NY R+14
- Carle Place, NY R+16
- Old Westbury, NY Even
- Jericho, NY D+5
- Hicksville, NY R+13
- East Garden City, NY D+47
- East Williston, NY R+22
- East Meadow, NY R+9
- Brookville, NY Even
Cities with Similar Populations
- Norwalk, IA R+19
- Vermilion, OH R+22
- Live Oak, TX D+5
- Bloomingdale, FL R+15
- Aptos, CA D+42
- Pike Road, AL R+6
- Hedgesville, WV R+53
- Blackshear, GA R+68
- Middlesex, NJ R+6
- Belvedere Park, GA D+78
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.