Harrington Park, NJ Political Map | Democrat & Republican Areas in Harrington Park

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

Harrington Park leans slightly Democratic by roughly 6 points: about 53% of voters vote Democratic and 47% Republican.

 

About 89% of adults in Harrington Park typically vote, above the U.S. average of about 62%. Among adults in Harrington Park, ~47% vote Democratic, ~42% Republican, and ~11% don't vote. The map below shows estimated turnout by block group.

How Harrington Park compares

Among cities within 25 miles, Harrington Park leans more Democratic than 176 of 302 neighbors.

Politically, Harrington Park sits close to the rest of New Jersey.

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

Areas with high college attainment vote Democratic. About 71% of adults in Harrington Park hold a bachelor's degree, about 42 points above the U.S. average of 28%. Dense areas vote Democratic, and Harrington Park sits in the top fifth on density (about 68%, above 91% of cities).

Walkability and Democratic lean

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

Areas with strong routine healthcare access turn out at higher rates. Harrington Park 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 77%, about 17 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 93% of households in Harrington Park own their home, about 18 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and about 98% of adults in Harrington Park have completed high school, above 95% of cities. 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.