16502 leans Democratic by roughly 30 points: about 65% of voters vote Democratic and 35% Republican.
About 55% of adults in 16502 typically vote, below the U.S. average of about 62%. Among adults in 16502, ~36% vote Democratic, ~19% Republican, and ~45% don't vote. The map below shows estimated turnout by block group.
How 16502 compares
Among zip codes within 15 miles, 16502 leans more Democratic than 17 of 20 neighbors.
16502 runs about 31 points more Democratic than Pennsylvania as a whole. Pennsylvania is roughly evenly split, and 16502 sits clearly on the Democratic side.
Politics vary noticeably by block within 16502. The northeast side is the most Democratic-leaning (D+42) and the southwest side is the least Democratic-leaning (D+8), a spread of about 34 points.
Why 16502 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 16502, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 16502 live in densely developed areas, about 64 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 56% of adults in 16502 have never been married, above 97% of zip codes. 16502 runs against the grain of Pennsylvania, a Democratic-leaning outlier in a roughly evenly split state.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 16502, PA sits in the top tenth nationally 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 16502 looks the way it does
Renters vote less often than owners. About 61% of households in 16502 rent, about 36 points above the U.S. average of 25%. High-crime urban areas turn out at lower rates, and 16502 sits in the top 15% on a violent-crime measure. 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.