15868 is a Republican stronghold. About 24% of voters here vote Democratic and 76% Republican.
About 72% of adults in 15868 typically vote, above the U.S. average of about 62%. Among adults in 15868, ~17% vote Democratic, ~55% Republican, and ~28% don't vote. The map below shows estimated turnout by block group.
How 15868 compares
Among zip codes within 15 miles, 15868 leans more Republican than 6 of 8 neighbors.
15868 runs about 50 points more Republican than Pennsylvania as a whole.
Why 15868 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 15868, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 4% of residents in 15868 live in densely developed areas, about 30 points below the Pennsylvania average of 33%. A high white share with below-average college attainment predicts Republican voting, and 15868 fits that profile on both counts.
Developed land and Republican lean
Places with a rural land-use pattern tend to lean Republican; 15868, PA sits in the bottom quarter nationally on this measure. Developed land does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 15868 looks the way it does
Turnout in 15868 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.