08240 leans Democratic by roughly 24 points: about 62% of voters vote Democratic and 38% Republican.
About 35% of adults in 08240 typically vote, below the U.S. average of about 62%. Among adults in 08240, ~22% vote Democratic, ~13% Republican, and ~65% don't vote. The map below shows estimated turnout by block group.
How 08240 compares
Among zip codes within 15 miles, 08240 leans more Democratic than 16 of 18 neighbors.
08240 runs about 18 points more Democratic than New Jersey as a whole.
Why 08240 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 08240, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 47% of adults in 08240 hold a bachelor's degree, about 18 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 99% of adults in 08240 have never been married, in the top fraction of zip codes.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 08240, NJ sits in the top quarter 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 08240 looks the way it does
Renters vote less often than owners. About 60% of households in 08240 rent, about 35 points above the U.S. average of 25%. Low high-school completion lines up with lower turnout, and more than 99% of adults in 08240 have completed high school, in the top fraction 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.