Glen Ridge is a Democratic stronghold. About 78% of voters here vote Democratic and 22% Republican.
About 88% of adults in Glen Ridge typically vote, above the U.S. average of about 62%. Among adults in Glen Ridge, ~69% vote Democratic, ~19% Republican, and ~12% don't vote. The map below shows estimated turnout by block group.
How Glen Ridge compares
Among cities within 25 miles, Glen Ridge leans more Democratic than 257 of 269 neighbors.
Glen Ridge runs about 50 points more Democratic than New Jersey as a whole.
Politics vary noticeably by neighborhood within Glen Ridge. The southwest side is the most Democratic-leaning (D+62) and the northeast side is the least Democratic-leaning (D+47), a spread of about 14 points.
Why Glen Ridge 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 Glen Ridge, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in Glen Ridge live in densely developed areas, about 64 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Glen Ridge sits in the top quarter (about 81%, in the top fraction of cities).
Population density and Democratic lean
Places with high population density tend to lean Democratic; Glen Ridge, NJ sits in the top tenth nationally on this measure.
Why turnout in Glen Ridge looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Glen Ridge 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 78%, about 18 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and more than 99% of adults in Glen Ridge have completed high school, in the top fraction of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Bloomfield, NJ D+39
- Montclair, NJ D+73
- Silver Lake, NJ D+31
- Belleville, NJ D+10
- Brookdale, NJ D+27
- Nutley, NJ R+3
- East Orange, NJ D+80
- Upper Montclair, NJ D+70
- Orange, NJ D+72
- Verona, NJ D+15
Cities with Similar Populations
- Wolfforth, TX R+59
- Sandersville, GA D+13
- Meadowbrook, AL R+36
- Atlantic Highlands, NJ Even
- Four Corners, MD D+63
- Narberth, PA D+54
- Fredericktown, OH R+57
- Shelburne, VT D+42
- Wellington, KS R+39
- Colfax, CA R+26
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.