15775 is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 89% of adults in 15775 typically vote, above the U.S. average of about 62%. Among adults in 15775, ~21% vote Democratic, ~68% Republican, and ~11% don't vote. The map below shows estimated turnout by block group.
How 15775 compares
Among zip codes within 15 miles, 15775 leans more Republican than 6 of 38 neighbors.
15775 runs about 50 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by block within 15775. The southwest side is the most Republican-leaning (R+63) and the east side is the least Republican-leaning (R+45), a spread of about 18 points.
Why 15775 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 15775, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 74% of households in 15775 are family households, about 7 points above the U.S. average of 67%.
Housing overcrowding and voter turnout
Places with low overcrowding tend to turn out at a higher rate; 15775, PA sits in the bottom tenth nationally on this measure.
Why turnout in 15775 looks the way it does
Areas with high high-school completion turn out at higher rates. About 97% of adults in 15775 have completed high school, about 6 points above the Pennsylvania average of 91%. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.