07663 leans Republican by roughly 16 points: about 42% of voters vote Democratic and 58% Republican.
About 71% of adults in 07663 typically vote, above the U.S. average of about 62%. Among adults in 07663, ~30% vote Democratic, ~41% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How 07663 compares
Among zip codes within 15 miles, 07663 leans more Republican than 238 of 249 neighbors.
07663 runs about 22 points more Republican than New Jersey as a whole. New Jersey leans Democratic overall, while 07663 is one of the few Republican-leaning pockets.
Politics vary noticeably by block within 07663. The north side is the most Republican-leaning (R+22) and the southeast side is the least Republican-leaning (R+4), a spread of about 17 points.
Why 07663 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 07663, not a ranked or complete list of what matters most.
07663 votes Republican even though it is densely developed (about 98%, far above the New Jersey average of 63%). State and regional patterns outweigh the Democratic lean that density usually predicts here. 07663 runs against the grain of New Jersey, a Republican-leaning pocket in a Democratic-leaning state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 07663, NJ sits in the top tenth nationally on this measure.
Why turnout in 07663 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 07663 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 71%, about 11 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.