16613 is a Republican stronghold. About 20% of voters here vote Democratic and 80% Republican.
About 70% of adults in 16613 typically vote, above the U.S. average of about 62%. Among adults in 16613, ~14% vote Democratic, ~56% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How 16613 compares
Among zip codes within 15 miles, 16613 leans more Republican than 23 of 30 neighbors.
16613 runs about 57 points more Republican than Pennsylvania as a whole.
Why 16613 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 16613. The lean here lands roughly where demographic data alone would predict.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 16613, PA sits below the national average on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in 16613 looks the way it does
Homeowners vote more often than renters. About 91% of households in 16613 own their home, about 11 points above the Pennsylvania average of 79%. High high-school completion lines up with higher turnout, and about 96% of adults in 16613 have completed high school, above 81% 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.