15063 leans Republican by roughly 28 points: about 36% of voters vote Democratic and 64% Republican.
About 79% of adults in 15063 typically vote, above the U.S. average of about 62%. Among adults in 15063, ~28% vote Democratic, ~50% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How 15063 compares
Among zip codes within 15 miles, 15063 leans more Republican than 38 of 87 neighbors.
15063 runs about 25 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by block within 15063. The northeast side is the most Republican-leaning (R+40) and the north side is the least Republican-leaning (R+18), a spread of about 22 points.
Why 15063 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 15063. The lean here lands roughly where demographic data alone would predict.
Local retail density and voter turnout
Places with dense local retail within a mile tend to turn out at a higher rate; 15063, PA sits in the top tenth nationally on this measure. Nearby retail does not change how people vote; it reflects how urban and built-up a place is.
Why turnout in 15063 looks the way it does
Turnout in 15063 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.