08048 leans Democratic by roughly 20 points: about 60% of voters vote Democratic and 40% Republican.
About 70% of adults in 08048 typically vote, above the U.S. average of about 62%. Among adults in 08048, ~42% vote Democratic, ~28% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How 08048 compares
Among zip codes within 15 miles, 08048 leans more Democratic than 37 of 55 neighbors.
08048 runs about 14 points more Democratic than New Jersey as a whole.
Politics vary noticeably by block within 08048. The northeast side is the most Democratic-leaning (D+39) and the south side is the least Democratic-leaning (D+2), a spread of about 37 points.
Why 08048 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 08048, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 44% of adults in 08048 hold a bachelor's degree, about 15 points above the U.S. average of 28%. A high never-married share predicts Democratic voting, and about 36% of adults in 08048 have never been married, above 80% of zip codes.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 08048, 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 08048 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 08048 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 69%, about 9 points above the U.S. average of 60%. 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.