17004 is a Republican stronghold. About 15% of voters here vote Democratic and 85% Republican.
About 58% of adults in 17004 typically vote, near the U.S. average of about 62%. Among adults in 17004, ~9% vote Democratic, ~49% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How 17004 compares
Among zip codes within 15 miles, 17004 leans more Republican than 13 of 17 neighbors.
17004 runs about 68 points more Republican than Pennsylvania as a whole.
Why 17004 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 17004, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 17004, about 97% of residents are non-Hispanic white, about 25 points above the U.S. average of 72%; about 15% of adults hold a bachelor's degree, about 10 points below the Pennsylvania average of 26%. A high family-household share predicts Republican voting, and about 76% of households in 17004 are family households, above 82% of zip codes.
Park access and Republican lean
Places with low park coverage tend to lean Republican; 17004, PA sits below the national average on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.
Why turnout in 17004 looks the way it does
Areas with low high-school completion turn out at lower rates. About 75% of adults in 17004 have completed high school, about 14 points below the U.S. average of 90%. 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.