10003 is a Democratic stronghold. About 85% of voters here vote Democratic and 15% Republican.
About 52% of adults in 10003 typically vote, below the U.S. average of about 62%. Among adults in 10003, ~44% vote Democratic, ~8% Republican, and ~48% don't vote. The map below shows estimated turnout by block group.
How 10003 compares
Among zip codes within 15 miles, 10003 leans more Democratic than 169 of 198 neighbors.
10003 runs about 58 points more Democratic than New York as a whole.
Why 10003 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 10003, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 10003 live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 10003 sits in the top quarter (about 84%, in the top fraction of zip codes). A high never-married share predicts Democratic voting, and about 66% of adults in 10003 have never been married, in the top fraction of zip codes.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 10003, NY sits in the top tenth nationally on this measure.
Why turnout in 10003 looks the way it does
Renters vote less often than owners. About 63% of households in 10003 rent, about 38 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 4% of homes in 10003 have more than one occupant per room, above 82% of zip codes. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.