16154 leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.
About 70% of adults in 16154 typically vote, above the U.S. average of about 62%. Among adults in 16154, ~19% vote Democratic, ~51% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How 16154 compares
Among zip codes within 15 miles, 16154 leans more Republican than 15 of 25 neighbors.
16154 runs about 45 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by block within 16154. The southeast side is the most Republican-leaning (R+51) and the northeast side is the least Republican-leaning (R+36), a spread of about 15 points.
Why 16154 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 16154, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 16154, about 96% of residents are non-Hispanic white, about 24 points above the U.S. average of 72%; about 15% of adults hold a bachelor's degree, about 11 points below the Pennsylvania average of 26%. Car-dependent areas vote Republican, and about 83% of residents in 16154 drive to work alone, above 82% of zip codes.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; 16154, PA sits above the national average on this measure.
Why turnout in 16154 looks the way it does
Turnout in 16154 sits close to the national pattern. 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.