17935 leans heavily Republican by roughly 30 points: about 35% of voters vote Democratic and 65% Republican.
About 68% of adults in 17935 typically vote, above the U.S. average of about 62%. Among adults in 17935, ~24% vote Democratic, ~44% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How 17935 compares
Among zip codes within 15 miles, 17935 leans more Republican than 6 of 52 neighbors.
17935 runs about 29 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by block within 17935. The northwest side is the most Republican-leaning (R+39) and the south side is the least Republican-leaning (R+25), a spread of about 14 points.
Why 17935 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 17935, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 88% of residents in 17935 drive to work alone, about 14 points above the U.S. average of 74%. A high white share with below-average college attainment predicts Republican voting, and 17935 fits that profile on both counts.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 17935, PA sits above the national average 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 17935 looks the way it does
Turnout in 17935 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.