15551 is a Republican stronghold. About 14% of voters here vote Democratic and 86% Republican.
About 69% of adults in 15551 typically vote, above the U.S. average of about 62%. Among adults in 15551, ~10% vote Democratic, ~59% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How 15551 compares
Among zip codes within 15 miles, 15551 is the most Republican-leaning.
15551 runs about 69 points more Republican than Pennsylvania as a whole.
Why 15551 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 15551, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 15551, about 98% of residents are non-Hispanic white, about 25 points above the U.S. average of 72%; about 16% of adults hold a bachelor's degree, about 10 points below the Pennsylvania average of 26%. Rural areas vote Republican, and 15551 sits in the bottom quarter on density (about 5%, below 80% of zip codes). A high family-household share predicts Republican voting, and about 75% of households in 15551 are family households, above 80% of zip codes.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 15551, PA sits in the bottom quarter nationally on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 15551 looks the way it does
Turnout in 15551 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.