South Hackensack, NJ Political Map | Democrat & Republican Areas in South Hackensack

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

South Hackensack leans slightly Republican by roughly 10 points: about 45% of voters vote Democratic and 55% Republican.

 

About 44% of adults in South Hackensack typically vote, below the U.S. average of about 62%. Among adults in South Hackensack, ~20% vote Democratic, ~24% Republican, and ~56% don't vote. The map below shows estimated turnout by block group.

How South Hackensack compares

Among cities within 25 miles, South Hackensack leans more Republican than 239 of 324 neighbors.

South Hackensack runs about 15 points more Republican than New Jersey as a whole. New Jersey leans Democratic overall, while South Hackensack is one of the few Republican-leaning pockets.

Politics vary noticeably by neighborhood within South Hackensack. The southwest side runs the most Democratic (D+7) and the southeast side runs the most Republican (R+13), a spread of about 20 points.

Why South Hackensack 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 South Hackensack, not a ranked or complete list of what matters most.

South Hackensack votes Republican even though it is densely developed (more than 99%, far above the New Jersey average of 61%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 81% of households in South Hackensack are family households, above 92% of cities. South Hackensack runs against the grain of New Jersey, a Republican-leaning pocket in a Democratic-leaning state.

Never-married share, developed land, and voter turnout

Places that combine a never-married-heavy adult population and a heavily developed built environment tend to turn out at a lower rate, as South Hackensack, NJ does.

Why turnout in South Hackensack looks the way it does

Areas with limited routine healthcare access turn out at lower rates. South Hackensack 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 53% of households in South Hackensack rent, about 29 points above the U.S. average of 25%. Crowded housing lines up with lower turnout, and about 9% of homes in South Hackensack have more than one occupant per room, above 96% of cities. Learn more about the findings and methodology on the political spectrum map.

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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.