08837 leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.
About 59% of adults in 08837 typically vote, near the U.S. average of about 62%. Among adults in 08837, ~34% vote Democratic, ~25% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.
How 08837 compares
Among zip codes within 15 miles, 08837 leans more Democratic than 56 of 103 neighbors.
08837 runs about 8 points more Democratic than New Jersey as a whole.
Politics vary noticeably by block within 08837. The northwest side runs the most Democratic (D+19) and the southeast side runs the most Republican (R+5), a spread of about 24 points.
Why 08837 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 08837, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 95% of residents in 08837 live in densely developed areas, about 59 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 08837 sits in the top quarter (about 52%, above 90% of zip codes).
Population density and Democratic lean
Places with high population density tend to lean Democratic; 08837, NJ sits in the top tenth nationally on this measure.
Why turnout in 08837 looks the way it does
Renters vote less often than owners. About 47% of households in 08837 rent, about 22 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 4% of homes in 08837 have more than one occupant per room, above 80% 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.