15856 is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 74% of adults in 15856 typically vote, above the U.S. average of about 62%. Among adults in 15856, ~14% vote Democratic, ~60% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How 15856 compares
Among zip codes within 15 miles, 15856 leans more Republican than 14 of 19 neighbors.
15856 runs about 60 points more Republican than Pennsylvania as a whole.
Why 15856 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 15856, not a ranked or complete list of what matters most.
Rural areas with a high white share vote Republican. 15856 sits in the bottom quarter on density and about 96% of residents are non-Hispanic white, about 9 points above the Pennsylvania average of 87%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 15856, PA sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 15856 looks the way it does
Homeowners vote more often than renters. About 89% of households in 15856 own their home, about 10 points above the Pennsylvania average of 79%. High high-school completion lines up with higher turnout, and about 97% of adults in 15856 have completed high school, above 89% of zip codes. 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.