Passaic, NJ Political Map | Democrat & Republican Areas in Passaic

By the BestNeighborhood data science team. Last updated May 2026.

Passaic leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.

 

About 38% of adults in Passaic typically vote, below the U.S. average of about 62%. Among adults in Passaic, ~20% vote Democratic, ~18% Republican, and ~62% don't vote. The map below shows estimated turnout by block group.

How Passaic compares

Among cities within 25 miles, Passaic leans more Democratic than 160 of 298 neighbors.

Politically, Passaic sits close to the rest of New Jersey.

Politics vary noticeably by neighborhood within Passaic. The northwest side runs the most Democratic (D+22) and the south side runs the most Republican (R+26), a spread of about 48 points.

Why Passaic leans the way it does

This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Passaic, not a ranked or complete list of what matters most.

Dense areas vote Democratic. More than 99% of residents in Passaic live in densely developed areas, about 63 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 53% of adults in Passaic have never been married, in the top fraction of cities.

Preventive-care access and voter turnout

Places with limited routine preventive-care access tend to turn out at a lower rate; Passaic, NJ sits in the bottom tenth 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 Passaic looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Passaic is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 48%, about 20 points below the New Jersey average of 67%. Renters vote less often than owners, and about 76% of households in Passaic rent, compared to around 45% in nearby cities. High food insecurity lines up with lower turnout, and about 41% of adults in Passaic report food insecurity, in the top fraction of cities. Learn more about the findings and methodology on the political spectrum map.

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.