Glen Mills is a true toss-up. About 52% of voters here vote Democratic and 48% Republican.
About 95% of adults in Glen Mills typically vote, above the U.S. average of about 62%. Among adults in Glen Mills, ~49% vote Democratic, ~46% Republican, and ~5% don't vote. The map below shows estimated turnout by block group.
How Glen Mills compares
Among cities within 25 miles, Glen Mills leans more Democratic than 75 of 220 neighbors.
Glen Mills runs about 6 points more Democratic than Pennsylvania as a whole.
Politics vary noticeably by neighborhood within Glen Mills. The northwest side runs the most Democratic (D+27) and the west side runs the most Republican (R+7), a spread of about 34 points.
Why Glen Mills leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Glen Mills. The lean here lands roughly where demographic data alone would predict.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Glen Mills, PA sits in the top tenth nationally on this measure.
Why turnout in Glen Mills looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Glen Mills 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 75%, about 15 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Glen Mills have completed high school, above 96% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Thornton, PA D+11
- Chester Heights, PA D+13
- Cheyney, PA R+3
- Garnet Valley, PA Even
- Lima, PA D+10
- Aston, PA R+5
- Chadds Ford, PA D+9
- Westtown, PA D+8
- Boothwyn, PA D+5
- Marcus Hook, PA D+4
Cities with Similar Populations
- Taft, CA R+40
- Gibsonton, FL D+4
- La Marque, TX D+11
- Alton, TX R+3
- Los Fresnos, TX R+12
- Lindsay, CA R+5
- Gilmer, TX R+64
- Emmaus, PA R+6
- Eastlake, OH R+14
- Ferguson, MO D+69
Sources and methodology
Precinct-level voting records used to fit the model come from Pennsylvania Department of State, Bureau 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.