Saddle River, NJ Political Map | Democrat & Republican Areas in Saddle River

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

Saddle River leans Republican by roughly 16 points: about 42% of voters vote Democratic and 58% Republican.

 

About 81% of adults in Saddle River typically vote, above the U.S. average of about 62%. Among adults in Saddle River, ~34% vote Democratic, ~47% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.

How Saddle River compares

Among cities within 25 miles, Saddle River leans more Republican than 234 of 274 neighbors.

Saddle River runs about 22 points more Republican than New Jersey as a whole. New Jersey leans Democratic overall, while Saddle River is one of the few Republican-leaning pockets.

Politics vary noticeably by neighborhood within Saddle River. The northeast side is the most split-leaning (R+25) and the southwest side is the least split-leaning (Even), a spread of about 24 points.

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

Saddle River votes Republican even though it is densely developed (about 76%, well above the New Jersey average of 61%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 79% of households in Saddle River are family households, above 86% of cities. Saddle River runs against the grain of New Jersey, a Republican-leaning pocket in a Democratic-leaning state.

Food insecurity and voter turnout

Places with low food insecurity tend to turn out at a higher rate; Saddle River, NJ sits in the bottom tenth nationally on this measure. Food insecurity does not directly drive turnout; it reflects economic hardship, which lines up with lower voting.

Why turnout in Saddle River looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Saddle River 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 76%, about 16 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.