16415 leans slightly Republican by roughly 12 points: about 44% of voters vote Democratic and 56% Republican.
About 98% of adults in 16415 typically vote, above the U.S. average of about 62%. Among adults in 16415, ~43% vote Democratic, ~55% Republican, and ~2% don't vote. The map below shows estimated turnout by block group.
How 16415 compares
Among zip codes within 15 miles, 16415 leans more Republican than 16 of 25 neighbors.
16415 runs about 10 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by block within 16415. The southeast side is the most Republican-leaning (R+18) and the east side is the least Republican-leaning (R+7), a spread of about 12 points.
Why 16415 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 16415, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 79% of households in 16415 are family households, about 12 points above the U.S. average of 67%.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; 16415, PA sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 16415 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 16415 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 73%, about 13 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in 16415 have completed high school, above 90% of zip codes. 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.