08319 leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 86% of adults in 08319 typically vote, above the U.S. average of about 62%. Among adults in 08319, ~25% vote Democratic, ~61% Republican, and ~14% don't vote. The map below shows estimated turnout by block group.
How 08319 compares
Among zip codes within 15 miles, 08319 leans more Republican than 24 of 28 neighbors.
08319 runs about 48 points more Republican than New Jersey as a whole. New Jersey leans Democratic overall, while 08319 is one of the few Republican-leaning pockets.
Why 08319 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 08319, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 6% of residents in 08319 live in densely developed areas, about 58 points below the New Jersey average of 63%. A high family-household share predicts Republican voting, and about 84% of households in 08319 are family households, above 97% of zip codes. 08319 runs against the grain of New Jersey, a Republican-leaning pocket in a Democratic-leaning state.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 08319, NJ sits in the bottom quarter 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 08319 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 08319 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 66%, about 6 points above the U.S. average of 60%. Homeowners vote more often than renters, and more than 99% of households in 08319 own their home, compared to around 83% in nearby zip codes. High high-school completion lines up with higher turnout, and about 96% of adults in 08319 have completed high school, above 86% 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.