Clarks Summit is a true toss-up. About 51% of voters here vote Democratic and 49% Republican.
About 92% of adults in Clarks Summit typically vote, above the U.S. average of about 62%. Among adults in Clarks Summit, ~47% vote Democratic, ~45% Republican, and ~8% don't vote. The map below shows estimated turnout by block group.
How Clarks Summit compares
Among cities within 25 miles, Clarks Summit sits roughly in the middle of the political spectrum, with 138 neighbors leaning further in the place's direction and 6 leaning the other way.
Politically, Clarks Summit sits close to the rest of Pennsylvania.
Politics vary noticeably by neighborhood within Clarks Summit. The north side runs the most Democratic (D+12) and the southwest side runs the most Republican (R+23), a spread of about 35 points.
Why Clarks Summit leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in Clarks Summit. 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; Clarks Summit, PA sits in the top quarter nationally on this measure.
Why turnout in Clarks Summit looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Clarks 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 74%, about 14 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Clarks Summit have completed high school, above 95% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Clarks Green, PA D+8
- Dalton, PA R+11
- Dickson City, PA Even
- Factoryville, PA R+23
- Schultzville, PA R+29
- Olyphant, PA R+7
- Throop, PA R+4
- Blakely, PA Even
- Scranton, PA D+14
- Walls Corners, PA R+27
Cities with Similar Populations
- Florida City, FL D+17
- North Plainfield, NJ D+31
- Lake Zurich, IL D+10
- Upper St. Clair, PA D+12
- Granite Bay, CA R+11
- East Patchogue, NY R+13
- Twinsburg, OH D+21
- North Tustin, CA R+9
- Covington, WA D+11
- Hampstead, NC R+38
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.