07721 leans Democratic by roughly 16 points: about 58% of voters vote Democratic and 42% Republican.
About 67% of adults in 07721 typically vote, near the U.S. average of about 62%. Among adults in 07721, ~39% vote Democratic, ~28% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.
How 07721 compares
Among zip codes within 15 miles, 07721 leans more Democratic than 58 of 69 neighbors.
07721 runs about 11 points more Democratic than New Jersey as a whole.
Politics vary noticeably by block within 07721. The north side runs the most Democratic (D+28) and the east side runs the most Republican (R+3), a spread of about 31 points.
Why 07721 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 07721, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 90% of residents in 07721 live in densely developed areas, about 54 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and 07721 sits in the top quarter (about 51%, above 89% of zip codes). A high never-married share predicts Democratic voting, and about 40% of adults in 07721 have never been married, above 87% of zip codes.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 07721, NJ sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 07721 looks the way it does
Turnout in 07721 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.