Jersey City, NJ Political Map | Democrat & Republican Areas in Jersey City

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

Jersey City leans heavily Democratic by roughly 46 points: about 73% of voters vote Democratic and 27% Republican.

 

About 47% of adults in Jersey City typically vote, below the U.S. average of about 62%. Among adults in Jersey City, ~34% vote Democratic, ~13% Republican, and ~53% don't vote. The map below shows estimated turnout by block group.

How Jersey City compares

Among cities within 25 miles, Jersey City leans more Democratic than 289 of 312 neighbors.

Jersey City runs about 40 points more Democratic than New Jersey as a whole.

Politics vary noticeably by neighborhood within Jersey City. The south side is the most Democratic-leaning (D+63) and the north side is the least Democratic-leaning (D+26), a spread of about 37 points.

Why Jersey City 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 Jersey City, not a ranked or complete list of what matters most.

Dense areas vote Democratic. About 96% of residents in Jersey City live in densely developed areas, about 60 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Jersey City sits in the top quarter (about 54%, above 95% of cities). A high never-married share predicts Democratic voting, and about 44% of adults in Jersey City have never been married, above 96% of cities.

Paved land cover and Democratic lean

Places with extensive paved surfaces tend to lean Democratic; Jersey City, NJ sits in the top tenth nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.

Why turnout in Jersey City looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Jersey City 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 71% of households in Jersey City rent, about 46 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 9% of homes in Jersey City have more than one occupant per room, above 95% 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.