Glassboro leans Democratic by roughly 20 points: about 60% of voters vote Democratic and 40% Republican.
About 60% of adults in Glassboro typically vote, near the U.S. average of about 62%. Among adults in Glassboro, ~36% vote Democratic, ~24% Republican, and ~40% don't vote. The map below shows estimated turnout by block group.
How Glassboro compares
Among cities within 25 miles, Glassboro leans more Democratic than 150 of 217 neighbors.
Glassboro runs about 14 points more Democratic than New Jersey as a whole.
Politics vary noticeably by neighborhood within Glassboro. The southeast side is the most Democratic-leaning (D+46) and the southwest side is the least Democratic-leaning (D+6), a spread of about 40 points.
Why Glassboro 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 Glassboro, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 76% of residents in Glassboro live in densely developed areas, about 40 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Glassboro sits in the top quarter (about 46%, above 91% of cities). A high never-married share predicts Democratic voting, and about 57% of adults in Glassboro have never been married, in the top fraction of cities.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Glassboro, NJ sits in the top tenth nationally on this measure.
Why turnout in Glassboro looks the way it does
Renters vote less often than owners. About 42% of households in Glassboro rent, about 17 points above the U.S. average of 25%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Pitman, NJ Even
- Richwood, NJ R+8
- Sewell, NJ R+9
- Clayton, NJ D+5
- Monroeville, NJ R+35
- Mullica Hill, NJ R+16
- Grenloch, NJ R+9
- Blackwood, NJ D+2
- Iona, NJ R+30
- Mantua, NJ R+6
Cities with Similar Populations
- Maywood, CA D+38
- Franklin Square, NY R+30
- Morrow, GA D+55
- Benbrook, TX R+23
- Kelso, WA R+18
- Madisonville, KY R+38
- Dahlonega, GA R+43
- Harleysville, PA Even
- Cliffside Park, NJ D+6
- Maumelle, AR D+11
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.