15945 is a Republican stronghold. About 25% of voters here vote Democratic and 75% Republican.
About 78% of adults in 15945 typically vote, above the U.S. average of about 62%. Among adults in 15945, ~19% vote Democratic, ~59% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How 15945 compares
Among zip codes within 15 miles, 15945 leans more Republican than 19 of 38 neighbors.
15945 runs about 49 points more Republican than Pennsylvania as a whole.
Why 15945 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 15945, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 85% of residents in 15945 drive to work alone, about 11 points above the U.S. average of 74%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 15945, PA sits above the national average on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 15945 looks the way it does
Homeowners vote more often than renters. About 96% of households in 15945 own their home, about 16 points above the Pennsylvania average of 79%. 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.