15610 is a Republican stronghold. About 25% of voters here vote Democratic and 75% Republican.
About 74% of adults in 15610 typically vote, above the U.S. average of about 62%. Among adults in 15610, ~19% vote Democratic, ~55% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How 15610 compares
Among zip codes within 15 miles, 15610 leans more Republican than 30 of 40 neighbors.
15610 runs about 49 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by block within 15610. The southeast side is the most Republican-leaning (R+56) and the west side is the least Republican-leaning (R+45), a spread of about 11 points.
Why 15610 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 15610. The lean here lands roughly where demographic data alone would predict.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 15610, PA sits below the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 15610 looks the way it does
Turnout in 15610 sits close to the national pattern. 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.