07306 leans heavily Democratic by roughly 32 points: about 66% of voters vote Democratic and 34% Republican.
About 43% of adults in 07306 typically vote, below the U.S. average of about 62%. Among adults in 07306, ~28% vote Democratic, ~15% Republican, and ~57% don't vote. The map below shows estimated turnout by block group.
How 07306 compares
Among zip codes within 15 miles, 07306 leans more Democratic than 139 of 283 neighbors.
07306 runs about 27 points more Democratic than New Jersey as a whole.
Politics vary noticeably by block within 07306. The east side is the most Democratic-leaning (D+38) and the north side is the least Democratic-leaning (D+25), a spread of about 14 points.
Why 07306 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 07306, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 07306 live in densely developed areas, about 63 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 07306 sits in the top quarter (about 52%, above 90% of zip codes). A high never-married share predicts Democratic voting, and about 45% of adults in 07306 have never been married, above 92% of zip codes.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 07306, NJ sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 07306 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 07306 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 75% of households in 07306 rent, about 50 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 11% of homes in 07306 have more than one occupant per room, above 97% 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.