16229 leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.
About 86% of adults in 16229 typically vote, above the U.S. average of about 62%. Among adults in 16229, ~24% vote Democratic, ~62% Republican, and ~14% don't vote. The map below shows estimated turnout by block group.
How 16229 compares
Among zip codes within 15 miles, 16229 leans more Republican than 26 of 34 neighbors.
16229 runs about 43 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by block within 16229. The north side is the most Republican-leaning (R+57) and the southwest side is the least Republican-leaning (R+33), a spread of about 24 points.
Why 16229 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 16229. The lean here lands roughly where demographic data alone would predict.
High-school completion and voter turnout
Places with high-school-completion-heavy adults tend to turn out at a higher rate; 16229, PA sits in the top quarter nationally on this measure.
Why turnout in 16229 looks the way it does
Areas with high high-school completion turn out at higher rates. About 97% of adults in 16229 have completed high school, about 5 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.