17581 leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.
About 92% of adults in 17581 typically vote, above the U.S. average of about 62%. Among adults in 17581, ~26% vote Democratic, ~66% Republican, and ~8% don't vote. The map below shows estimated turnout by block group.
How 17581 compares
Among zip codes within 15 miles, 17581 leans more Republican than 31 of 43 neighbors.
17581 runs about 43 points more Republican than Pennsylvania as a whole.
Why 17581 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 17581, not a ranked or complete list of what matters most.
17581 votes Republican even though it is densely developed (about 90%, far above the Pennsylvania average of 33%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Low college attainment predicts Republican voting, and 17581 sits in the bottom quarter (about 13%, below 89% of zip codes). A high family-household share predicts Republican voting, and about 76% of households in 17581 are family households, above 81% of zip codes.
Non-English at home and voter turnout
Places with a low non-English-at-home share tend to turn out at a higher rate; 17581, PA sits in the bottom quarter nationally on this measure.
Why turnout in 17581 looks the way it does
Turnout in 17581 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.