Clark, NJ Political Map | Democrat & Republican Areas in Clark

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

Clark leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.

 

About 89% of adults in Clark typically vote, above the U.S. average of about 62%. Among adults in Clark, ~35% vote Democratic, ~54% Republican, and ~11% don't vote. The map below shows estimated turnout by block group.

How Clark compares

Among cities within 25 miles, Clark leans more Republican than 236 of 249 neighbors.

Clark runs about 28 points more Republican than New Jersey as a whole. New Jersey leans Democratic overall, while Clark is one of the few Republican-leaning pockets.

Politics vary noticeably by neighborhood within Clark. The south side is the most Republican-leaning (R+30) and the west side is the least Republican-leaning (R+11), a spread of about 19 points.

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

Clark votes Republican even though it is densely developed (about 89%, well above the New Jersey average of 61%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Clark runs against the grain of New Jersey, a Republican-leaning pocket in a Democratic-leaning state.

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Clark, 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 Clark looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Clark 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 72%, about 12 points above the U.S. average of 60%. 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.