15061 leans Republican by roughly 22 points: about 39% of voters vote Democratic and 61% Republican.
About 89% of adults in 15061 typically vote, above the U.S. average of about 62%. Among adults in 15061, ~35% vote Democratic, ~54% Republican, and ~11% don't vote. The map below shows estimated turnout by block group.
How 15061 compares
Among zip codes within 15 miles, 15061 leans more Republican than 20 of 36 neighbors.
15061 runs about 19 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by block within 15061. The west side is the most Republican-leaning (R+29) and the northeast side is the least Republican-leaning (R+15), a spread of about 14 points.
Why 15061 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 15061, not a ranked or complete list of what matters most.
15061 votes Republican even though it is densely developed (about 62%, well above the Pennsylvania average of 33%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
High-school completion and voter turnout
Places with high-school-completion-heavy adults tend to turn out at a higher rate; 15061, PA sits in the top tenth nationally on this measure.
Why turnout in 15061 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 15061 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 68%, about 8 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in 15061 have completed high school, above 91% 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.