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

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

Rochelle Park leans slightly Republican by roughly 8 points: about 46% of voters vote Democratic and 54% Republican.

 

About 71% of adults in Rochelle Park typically vote, above the U.S. average of about 62%. Among adults in Rochelle Park, ~33% vote Democratic, ~38% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.

How Rochelle Park compares

Among cities within 25 miles, Rochelle Park leans more Republican than 228 of 311 neighbors.

Rochelle Park runs about 14 points more Republican than New Jersey as a whole. New Jersey leans Democratic overall, while Rochelle Park is one of the few Republican-leaning pockets.

Politics vary noticeably by neighborhood within Rochelle Park. The northwest side is the most Republican-leaning (R+16) and the northeast side is the least Republican-leaning (R+3), a spread of about 13 points.

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

Rochelle Park votes Republican even though it is densely developed (about 94%, far above the New Jersey average of 61%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Rochelle Park runs against the grain of New Jersey, a Republican-leaning pocket in a Democratic-leaning state.

Population density and Democratic lean

Places with high population density tend to lean Democratic; Rochelle Park, NJ sits in the top tenth nationally on this measure.

Why turnout in Rochelle Park looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Rochelle 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 71%, about 11 points above the U.S. average of 60%. 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.