Oak Hills leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.
About 80% of adults in Oak Hills typically vote, above the U.S. average of about 62%. Among adults in Oak Hills, ~31% vote Democratic, ~49% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How Oak Hills compares
Among cities within 25 miles, Oak Hills leans more Republican than 63 of 187 neighbors.
Oak Hills runs about 20 points more Republican than Pennsylvania as a whole.
Why Oak Hills 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 Oak Hills, not a ranked or complete list of what matters most.
Oak Hills votes Republican even though it is densely developed (about 48%, modestly above the Pennsylvania average of 33%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; Oak Hills, 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 Oak Hills looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Oak Hills 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 71%, about 11 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and more than 99% of adults in Oak Hills have completed high school, in the top fraction of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Lyndora, PA R+21
- Haysville, PA R+37
- Meridian, PA R+36
- Butler, PA R+29
- Homeacre-Lyndora, PA R+22
- Renfrew, PA R+37
- Nixon, PA R+39
- Homeacre, PA R+44
- Connoquenessing, PA R+39
- East Butler, PA R+44
Cities with Similar Populations
- Harriston, MS D+71
- Galloway, WV R+62
- Kinross, IA R+49
- Davilla, TX R+71
- Wadsworth, TX R+67
- Georgetown, NJ R+21
- Chicota, TX R+51
- Sandy Creek, NC R+45
- Mount Sterling, IN R+59
- Strandquist, MN R+54
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.