07840 leans slightly Republican by roughly 8 points: about 46% of voters vote Democratic and 54% Republican.
About 80% of adults in 07840 typically vote, above the U.S. average of about 62%. Among adults in 07840, ~37% vote Democratic, ~43% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How 07840 compares
Among zip codes within 15 miles, 07840 leans more Republican than 18 of 45 neighbors.
07840 runs about 14 points more Republican than New Jersey as a whole. New Jersey leans Democratic overall, while 07840 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 07840. The west side is the most split-leaning (R+16) and the east side is the least split-leaning (R+3), a spread of about 14 points.
Why 07840 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 07840, not a ranked or complete list of what matters most.
07840 votes against the grain of New Jersey. New Jersey leans Democratic overall, while 07840 runs about 14 points more Republican.
Cholesterol-screening access and voter turnout
Places with high cholesterol-screening access tend to turn out at a higher rate; 07840, NJ sits in the top quarter nationally on this measure. Cholesterol screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 07840 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 07840 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 72%, about 12 points above the U.S. average of 60%. 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.