Seven Valleys leans heavily Republican by roughly 36 points: about 32% of voters vote Democratic and 68% Republican.
About 89% of adults in Seven Valleys typically vote, above the U.S. average of about 62%. Among adults in Seven Valleys, ~28% vote Democratic, ~61% Republican, and ~11% don't vote. The map below shows estimated turnout by block group.
How Seven Valleys compares
Among cities within 25 miles, Seven Valleys leans more Republican than 52 of 116 neighbors.
Seven Valleys runs about 34 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by neighborhood within Seven Valleys. The west side is the most Republican-leaning (R+51) and the east side is the least Republican-leaning (R+27), a spread of about 25 points.
Why Seven Valleys 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 Seven Valleys, not a ranked or complete list of what matters most.
Seven Valleys votes Republican even though it is densely developed (about 22%, modestly below the Pennsylvania average of 33%). State and regional patterns outweigh the Democratic lean that density usually predicts here. A high family-household share predicts Republican voting, and about 79% of households in Seven Valleys are family households, above 87% of cities.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Seven Valleys, PA sits in the top quarter 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 Seven Valleys looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Seven Valleys 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 69%, about 9 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in Seven Valleys have completed high school, above 84% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Loganville, PA R+20
- Jacobus, PA R+20
- Glen Rock, PA R+39
- Spry, PA R+8
- Rockville, PA R+54
- Dallastown, PA R+22
- Spring Grove, PA R+44
- West York, PA D+6
- Winterstown, PA R+56
- Yoe, PA R+20
Cities with Similar Populations
- Wheatland, WY R+60
- Lawrenceville, IL R+42
- Nashville, IN R+38
- Homeacre-Lyndora, PA R+22
- New Columbia, PA R+27
- Meredith, NH D+8
- Hutchins, TX D+35
- St. Gabriel, LA Even
- Redwood Falls, MN R+32
- Pardeeville, WI R+26
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.