16671 is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 66% of adults in 16671 typically vote, near the U.S. average of about 62%. Among adults in 16671, ~13% vote Democratic, ~53% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.
How 16671 compares
Among zip codes within 15 miles, 16671 leans more Republican than 19 of 32 neighbors.
16671 runs about 60 points more Republican than Pennsylvania as a whole.
Why 16671 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 16671, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 16671, about 96% of residents are non-Hispanic white, about 24 points above the U.S. average of 72%; about 19% of adults hold a bachelor's degree, about 7 points below the Pennsylvania average of 26%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 16671, 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 16671 looks the way it does
Homeowners vote more often than renters. About 91% of households in 16671 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 16671 have completed high school, above 84% 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.