Glen Summit leans Republican by roughly 28 points: about 36% of voters vote Democratic and 64% Republican.
About 93% of adults in Glen Summit typically vote, above the U.S. average of about 62%. Among adults in Glen Summit, ~34% vote Democratic, ~59% Republican, and ~7% don't vote. The map below shows estimated turnout by block group.
How Glen Summit compares
Among cities within 25 miles, Glen Summit leans more Republican than 63 of 168 neighbors.
Glen Summit runs about 25 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by neighborhood within Glen Summit. The south side is the most Republican-leaning (R+39) and the north side is the least Republican-leaning (R+14), a spread of about 25 points.
Why Glen Summit 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 Summit, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 76% of households in Glen Summit are family households, about 9 points above the U.S. average of 67%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Glen Summit, PA sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in Glen Summit looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Glen Summit 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 72%, about 12 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 98% of households in Glen Summit own their home, about 23 points above the U.S. average of 75%. High high-school completion lines up with higher turnout, and more than 99% of adults in Glen Summit have completed high school, above 98% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Cambra, PA R+41
- Mountain Top, PA R+18
- Penobscot, PA R+21
- Penn Lake Park, PA R+39
- White Haven, PA R+35
- Nuangola, PA R+27
- Sand Spring, PA R+36
- Warrior Run, PA R+25
- Sugar Notch, PA R+14
Cities with Similar Populations
- Port Gamble, WA D+4
- Fatio, FL R+63
- McClures Bend, TN R+66
- Northboro, IA R+54
- Black Springs, AR R+73
- McGrath, AK D+15
- Sterling Center, MN R+42
- Rolling Meadows, TX R+62
- Lone Pine, LA R+70
- Lincolnville, PA R+59
All Local Stats
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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.