07310 leans heavily Democratic by roughly 46 points: about 73% of voters vote Democratic and 27% Republican.
About 41% of adults in 07310 typically vote, below the U.S. average of about 62%. Among adults in 07310, ~30% vote Democratic, ~11% Republican, and ~59% don't vote. The map below shows estimated turnout by block group.
How 07310 compares
Among zip codes within 15 miles, 07310 leans more Democratic than 171 of 278 neighbors.
07310 runs about 41 points more Democratic than New Jersey as a whole.
Politics vary noticeably by block within 07310. The east side is the most Democratic-leaning (D+53) and the northwest side is the least Democratic-leaning (D+42), a spread of about 11 points.
Why 07310 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 07310, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 90% of adults in 07310 hold a bachelor's degree, about 61 points above the U.S. average of 28%. Dense areas vote Democratic, and 07310 sits in the top fifth on density (about 75%, above 81% of zip codes). A high never-married share predicts Democratic voting, and about 53% of adults in 07310 have never been married, above 96% of zip codes.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 07310, NJ 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 07310 looks the way it does
Renters vote less often than owners. About 89% of households in 07310 rent, about 64 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 8% of homes in 07310 have more than one occupant per room, above 94% 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 Jersey Division 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.