08321 leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.
About 64% of adults in 08321 typically vote, near the U.S. average of about 62%. Among adults in 08321, ~18% vote Democratic, ~46% Republican, and ~36% don't vote. The map below shows estimated turnout by block group.
How 08321 compares
Among zip codes within 15 miles, 08321 leans more Republican than 9 of 13 neighbors.
08321 runs about 50 points more Republican than New Jersey as a whole. New Jersey leans Democratic overall, while 08321 is one of the few Republican-leaning pockets.
Why 08321 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 08321, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 4% of residents in 08321 live in densely developed areas, about 60 points below the New Jersey average of 63%. Low college attainment predicts Republican voting, and 08321 sits in the bottom quarter (about 16%, below 76% of zip codes). 08321 runs against the grain of New Jersey, a Republican-leaning pocket in a Democratic-leaning state.
Never-married share, developed land, and voter turnout
Places that combine a low never-married share and a rural land-use pattern tend to turn out at a higher rate, as 08321, NJ does.
Why turnout in 08321 looks the way it does
Homeowners vote more often than renters. About 94% of households in 08321 own their home, about 20 points above the New Jersey average of 74%. 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.