07830 leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.
About 91% of adults in 07830 typically vote, above the U.S. average of about 62%. Among adults in 07830, ~41% vote Democratic, ~50% Republican, and ~9% don't vote. The map below shows estimated turnout by block group.
How 07830 compares
Among zip codes within 15 miles, 07830 leans more Republican than 25 of 44 neighbors.
07830 runs about 15 points more Republican than New Jersey as a whole. New Jersey leans Democratic overall, while 07830 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 07830. The northeast side is the most split-leaning (R+14) and the south side is the least split-leaning (Even), a spread of about 13 points.
Why 07830 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 07830, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 79% of households in 07830 are family households, about 12 points above the U.S. average of 67%. 07830 runs against the grain of New Jersey, a Republican-leaning pocket in a Democratic-leaning state.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; 07830, NJ sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 07830 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 07830 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 76%, about 16 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 93% of households in 07830 own their home, about 18 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 98% of adults in 07830 have completed high school, above 94% 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.