Lower Roseville, Newark, NJ Political Map | Democrat & Republican Areas in Lower Roseville

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

Lower Roseville leans heavily Democratic by roughly 48 points: about 74% of voters vote Democratic and 26% Republican.

 

About 34% of adults in Lower Roseville typically vote, below the U.S. average of about 62%. Among adults in Lower Roseville, ~25% vote Democratic, ~9% Republican, and ~66% don't vote. The map below shows estimated turnout by block group.

How Lower Roseville compares

Among neighborhoods within 5 miles, Lower Roseville leans more Democratic than 7 of 20 neighbors.

Lower Roseville runs about 42 points more Democratic than New Jersey as a whole.

Politics vary noticeably by block within Lower Roseville. The southwest side is the most Democratic-leaning (D+61) and the northeast side is the least Democratic-leaning (D+24), a spread of about 37 points.

Why Lower Roseville leans the way it does

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

Dense areas vote Democratic. More than 99% of residents in Lower Roseville live in densely developed areas, about 64 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 57% of adults in Lower Roseville have never been married, above 91% of neighborhoods.

Preventive-care access and voter turnout

Places with limited routine preventive-care access tend to turn out at a lower rate; Lower Roseville, Newark, 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 Lower Roseville looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Lower Roseville 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 47%, about 20 points below the New Jersey average of 67%. Renters vote less often than owners, and about 75% of households in Lower Roseville rent, about 50 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 38% of adults in Lower Roseville report food insecurity, above 92% of neighborhoods. 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.