08618 is a Democratic stronghold. About 84% of voters here vote Democratic and 16% Republican.
About 54% of adults in 08618 typically vote, below the U.S. average of about 62%. Among adults in 08618, ~45% vote Democratic, ~9% Republican, and ~46% don't vote. The map below shows estimated turnout by block group.
How 08618 compares
Among zip codes within 15 miles, 08618 leans more Democratic than 53 of 55 neighbors.
08618 runs about 63 points more Democratic than New Jersey as a whole.
Politics vary noticeably by block within 08618. The east side is the most Democratic-leaning (D+84) and the northwest side is the least Democratic-leaning (D+49), a spread of about 35 points.
Why 08618 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 08618, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 94% of residents in 08618 live in densely developed areas, about 57 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 51% of adults in 08618 have never been married, above 95% of zip codes.
Preventive-care access and voter turnout
Places with limited routine preventive-care access tend to turn out at a lower rate; 08618, NJ sits in the bottom quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 08618 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 08618 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. Renters vote less often than owners, and about 52% of households in 08618 rent, about 27 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 31% of adults in 08618 report food insecurity, 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.