16636 is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.
About 74% of adults in 16636 typically vote, above the U.S. average of about 62%. Among adults in 16636, ~16% vote Democratic, ~58% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How 16636 compares
Among zip codes within 15 miles, 16636 leans more Republican than 21 of 35 neighbors.
16636 runs about 56 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by block within 16636. The west side is the most Republican-leaning (R+60) and the southeast side is the least Republican-leaning (R+50), a spread of about 10 points.
Why 16636 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 16636. 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; 16636, PA sits in the top quarter nationally on this measure.
Why turnout in 16636 looks the way it does
Homeowners vote more often than renters. About 90% of households in 16636 own their home, about 10 points above the Pennsylvania average of 79%. High high-school completion lines up with higher turnout, and about 97% of adults in 16636 have completed high school, above 88% 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.