15828 is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 57% of adults in 15828 typically vote, near the U.S. average of about 62%. Among adults in 15828, ~13% vote Democratic, ~44% Republican, and ~43% don't vote. The map below shows estimated turnout by block group.
How 15828 compares
Among zip codes within 15 miles, 15828 leans more Republican than 7 of 11 neighbors.
15828 runs about 55 points more Republican than Pennsylvania as a whole.
Why 15828 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 15828, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 15828, about 96% of residents are non-Hispanic white, about 24 points above the U.S. average of 72%; about 19% of adults hold a bachelor's degree, about 7 points below the Pennsylvania average of 26%. Rural areas vote Republican, and 15828 sits in the bottom quarter on density (about 3%, below 94% of zip codes).
Developed land and Republican lean
Places with a rural land-use pattern tend to lean Republican; 15828, PA sits in the bottom tenth nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 15828 looks the way it does
Turnout in 15828 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.