17090 is a Republican stronghold. About 22% of voters here vote Democratic and 78% Republican.
About 80% of adults in 17090 typically vote, above the U.S. average of about 62%. Among adults in 17090, ~18% vote Democratic, ~62% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How 17090 compares
Among zip codes within 15 miles, 17090 leans more Republican than 17 of 22 neighbors.
17090 runs about 55 points more Republican than Pennsylvania as a whole.
Why 17090 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 17090. The lean here lands roughly where demographic data alone would predict.
Multifamily housing and voter turnout
Places with a low multifamily-housing share tend to turn out in mixed patterns; 17090, PA sits in the bottom quarter nationally on this measure. Apartment housing does not change how people vote; it reflects urban density and renting.
Why turnout in 17090 looks the way it does
Turnout in 17090 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.