08901 leans heavily Democratic by roughly 40 points: about 70% of voters vote Democratic and 30% Republican.
About 30% of adults in 08901 typically vote, below the U.S. average of about 62%. Among adults in 08901, ~21% vote Democratic, ~9% Republican, and ~70% don't vote. The map below shows estimated turnout by block group.
How 08901 compares
Among zip codes within 15 miles, 08901 leans more Democratic than 76 of 84 neighbors.
08901 runs about 35 points more Democratic than New Jersey as a whole.
Politics vary noticeably by block within 08901. The north side is the most Democratic-leaning (D+51) and the west side is the least Democratic-leaning (D+33), a spread of about 18 points.
Why 08901 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 08901, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 93% of residents in 08901 live in densely developed areas, about 57 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 65% of adults in 08901 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; 08901, 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 08901 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 08901 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 49%, about 19 points below the New Jersey average of 68%. Renters vote less often than owners, and about 78% of households in 08901 rent, compared to around 34% in nearby zip codes. High food insecurity lines up with lower turnout, and about 35% of adults in 08901 report food insecurity, above 96% 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.