South Ironbound leans Democratic by roughly 26 points: about 63% of voters vote Democratic and 37% Republican.
About 42% of adults in South Ironbound typically vote, below the U.S. average of about 62%. Among adults in South Ironbound, ~26% vote Democratic, ~16% Republican, and ~58% don't vote. The map below shows estimated turnout by block group.
How South Ironbound compares
Among neighborhoods within 5 miles, South Ironbound leans more Democratic than 3 of 23 neighbors.
South Ironbound runs about 19 points more Democratic than New Jersey as a whole.
Politics vary noticeably by block within South Ironbound. The south side is the most Democratic-leaning (D+36) and the east side is the least Democratic-leaning (D+10), a spread of about 26 points.
Why South Ironbound 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 South Ironbound, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in South Ironbound 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 71% of adults in South Ironbound have never been married, above 98% of neighborhoods.
Population density and Democratic lean
Places with high population density tend to lean Democratic; South Ironbound, Newark, NJ sits in the top tenth nationally on this measure.
Why turnout in South Ironbound looks the way it does
Areas with limited routine healthcare access turn out at lower rates. South Ironbound 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 40%, about 27 points below the New Jersey average of 67%. Renters vote less often than owners, and about 79% of households in South Ironbound rent, about 54 points above the U.S. average of 25%. High food insecurity lines up with lower turnout, and about 47% of adults in South Ironbound report food insecurity, above 97% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.
Nearby Neighborhoods
- South Broad Street, Newark, NJ D+63
- North Ironbound, Newark, NJ D+5
- Central Business District, Newark, NJ D+72
- Springfield-Belmont, Newark, NJ D+77
- Lower Clinton Hill, Newark, NJ D+79
- University Heights, Newark, NJ D+67
- Upper Clinton Hill, Newark, NJ D+80
- West Side, Newark, NJ D+53
- Weequahic, Newark, NJ D+81
- Fairmuont, Newark, NJ D+73
Neighborhoods with Similar Populations
- Park Hills, Yonkers, NY D+28
- South Semoran, Orlando, FL D+13
- Home Park, Atlanta, GA D+60
- Harmony Village, Detroit, MI D+87
- South Redlands, Redlands, CA Even
- Martin Luther King, Austin, TX D+64
- Congress Heights, Washington, DC D+86
- Morningside-Lenox Park, Atlanta, GA D+46
- Maple Leaf, Seattle, WA D+78
- Pine Hills, Albany, NY D+62
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.