River Edge leans slightly Democratic by roughly 14 points: about 57% of voters vote Democratic and 43% Republican.
About 74% of adults in River Edge typically vote, above the U.S. average of about 62%. Among adults in River Edge, ~42% vote Democratic, ~32% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How River Edge compares
Among cities within 25 miles, River Edge leans more Democratic than 203 of 306 neighbors.
River Edge runs about 8 points more Democratic than New Jersey as a whole.
Why River Edge 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 River Edge, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 97% of residents in River Edge live in densely developed areas, about 61 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and River Edge sits in the top quarter (about 67%, above 98% of cities).
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; River Edge, 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 River Edge looks the way it does
Areas with strong routine healthcare access turn out at higher rates. River Edge 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%. High high-school completion lines up with higher turnout, and about 96% of adults in River Edge have completed high school, above 83% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- New Milford, NJ D+3
- Oradell, NJ D+10
- Bergenfield, NJ D+8
- Maywood, NJ D+8
- Rochelle Park, NJ R+8
- Paramus, NJ R+12
- Dumont, NJ Even
- Hackensack, NJ D+36
- Teaneck, NJ D+27
- Saddle Brook, NJ R+16
Cities with Similar Populations
- Millersville, PA D+4
- Amherst, NH D+17
- Oak Grove, MO R+40
- Wanaque, NJ R+13
- Yeadon, PA D+86
- Adairsville, GA R+60
- Monett, MO R+50
- Conway, FL R+9
- Quarryville, PA R+52
- Forest City, FL R+11
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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.