15077 leans heavily Republican by roughly 48 points: about 26% of voters vote Democratic and 74% Republican.
About 79% of adults in 15077 typically vote, above the U.S. average of about 62%. Among adults in 15077, ~20% vote Democratic, ~59% Republican, and ~21% don't vote. The map below shows estimated turnout by block group.
How 15077 compares
Among zip codes within 15 miles, 15077 leans more Republican than 23 of 33 neighbors.
15077 runs about 46 points more Republican than Pennsylvania as a whole.
Why 15077 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 15077. The lean here lands roughly where demographic data alone would predict.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; 15077, PA sits in the top quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 15077 looks the way it does
Turnout in 15077 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.