16137 leans heavily Republican by roughly 42 points: about 29% of voters vote Democratic and 71% Republican.
About 74% of adults in 16137 typically vote, above the U.S. average of about 62%. Among adults in 16137, ~22% vote Democratic, ~53% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How 16137 compares
Among zip codes within 15 miles, 16137 leans more Republican than 12 of 23 neighbors.
16137 runs about 40 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by block within 16137. The north side is the most Republican-leaning (R+55) and the south side is the least Republican-leaning (R+14), a spread of about 41 points.
Why 16137 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 16137. The lean here lands roughly where demographic data alone would predict.
Homeownership and voter turnout
Places with homeowner-heavy households tend to turn out at a higher rate; 16137, PA sits above the national average on this measure.
Why turnout in 16137 looks the way it does
Turnout in 16137 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.