15232 is a Democratic stronghold. About 85% of voters here vote Democratic and 15% Republican.
About 71% of adults in 15232 typically vote, above the U.S. average of about 62%. Among adults in 15232, ~60% vote Democratic, ~11% Republican, and ~29% don't vote. The map below shows estimated turnout by block group.
How 15232 compares
Among zip codes within 15 miles, 15232 leans more Democratic than 98 of 101 neighbors.
15232 runs about 72 points more Democratic than Pennsylvania as a whole. Pennsylvania is roughly evenly split, and 15232 sits clearly on the Democratic side.
Why 15232 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 15232, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 81% of adults in 15232 hold a bachelor's degree, about 53 points above the U.S. average of 28%. Dense areas vote Democratic, and 15232 sits in the top fifth on density (more than 99%, in the top fraction of zip codes). 15232 runs against the grain of Pennsylvania, a Democratic-leaning outlier in a roughly evenly split state.
Population density and Democratic lean
Places with high population density tend to lean Democratic; 15232, PA sits in the top tenth nationally on this measure.
Why turnout in 15232 looks the way it does
Areas with high high-school completion turn out at higher rates. About 98% of adults in 15232 have completed high school, about 7 points above the Pennsylvania average of 91%. 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.