Berkeley Heights, NJ Political Map | Democrat & Republican Areas in Berkeley Heights

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

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

 

About 88% of adults in Berkeley Heights typically vote, above the U.S. average of about 62%. Among adults in Berkeley Heights, ~48% vote Democratic, ~40% Republican, and ~12% don't vote. The map below shows estimated turnout by block group.

How Berkeley Heights compares

Among cities within 25 miles, Berkeley Heights leans more Democratic than 168 of 255 neighbors.

Berkeley Heights runs about 5 points more Democratic than New Jersey as a whole.

Politics vary noticeably by neighborhood within Berkeley Heights. The southeast side is the most Democratic-leaning (D+17) and the northwest side is the least Democratic-leaning (Even), a spread of about 17 points.

Why Berkeley Heights 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 Berkeley Heights, not a ranked or complete list of what matters most.

Dense areas vote Democratic. About 81% of residents in Berkeley Heights live in densely developed areas, about 45 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Berkeley Heights sits in the top quarter (about 76%, in the top fraction of cities).

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Berkeley Heights, NJ sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.

Why turnout in Berkeley Heights looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Berkeley Heights is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 79%, about 19 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 92% of households in Berkeley Heights own their home, about 17 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 98% of adults in Berkeley Heights have completed high school, 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.