Summit is a Republican stronghold. About 23% of voters here vote Democratic and 77% Republican.
About 73% of adults in Summit typically vote, above the U.S. average of about 62%. Among adults in Summit, ~17% vote Democratic, ~56% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How Summit compares
Among cities within 25 miles, Summit leans more Republican than 60 of 86 neighbors.
Summit runs about 53 points more Republican than Pennsylvania as a whole.
Why 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 Summit, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 85% of residents in Summit drive to work alone, about 12 points above the U.S. average of 74%.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; Summit, PA sits in the top quarter nationally on this measure.
Why turnout in Summit looks the way it does
Homeowners vote more often than renters. About 90% of households in Summit own their home, about 11 points above the Pennsylvania average of 79%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Rixford, PA R+59
- Coleville, PA R+57
- Gilmore, PA R+51
- Duke Center, PA R+59
- Derrick City, PA R+47
- Rew, PA R+49
- Sawyer City, PA R+49
- Wrights Corners, PA R+59
- Prentisvale, PA R+60
- Foster Brook, PA R+40
Cities with Similar Populations
- Mariasville, PA R+57
- Dover, ND R+60
- Sepo, IL R+47
- Daysville, KY R+51
- South Andover, ME R+30
- Saxon, WA Even
- Enning, SD R+83
- Salt Flat, TX R+36
- Creelsboro, KY R+75
- Craige, WA R+49
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.