17321 is a Republican stronghold. About 23% of voters here vote Democratic and 77% Republican.
About 81% of adults in 17321 typically vote, above the U.S. average of about 62%. Among adults in 17321, ~19% vote Democratic, ~62% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.
How 17321 compares
Among zip codes within 15 miles, 17321 leans more Republican than 19 of 27 neighbors.
17321 runs about 52 points more Republican than Pennsylvania as a whole.
Why 17321 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 17321, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 17321, about 95% of residents are non-Hispanic white, about 23 points above the U.S. average of 72%; about 17% of adults hold a bachelor's degree, about 9 points below the Pennsylvania average of 26%. A high family-household share predicts Republican voting, and about 74% of households in 17321 are family households, above 77% of zip codes.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 17321, PA sits below the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 17321 looks the way it does
Turnout in 17321 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.