16033 leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 81% of adults in 16033 typically vote, above the U.S. average of about 62%. Among adults in 16033, ~27% vote Democratic, ~54% Republican, and ~19% don't vote. The map below shows estimated turnout by block group.
How 16033 compares
Among zip codes within 15 miles, 16033 leans more Republican than 20 of 30 neighbors.
16033 runs about 32 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by block within 16033. The north side is the most Republican-leaning (R+45) and the south side is the least Republican-leaning (R+28), a spread of about 18 points.
Why 16033 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 16033. 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; 16033, PA sits in the top quarter nationally on this measure.
Why turnout in 16033 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 16033 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 69%, about 9 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 96% of adults in 16033 have completed high school, above 82% 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.