16665 leans heavily Republican by roughly 44 points: about 28% of voters vote Democratic and 72% Republican.
About 80% of adults in 16665 typically vote, above the U.S. average of about 62%. Among adults in 16665, ~22% vote Democratic, ~58% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.
How 16665 compares
Among zip codes within 15 miles, 16665 leans more Republican than 5 of 26 neighbors.
16665 runs about 43 points more Republican than Pennsylvania as a whole.
Why 16665 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 16665, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 94% of residents in 16665 drive to work alone, about 21 points above the U.S. average of 74%. A high white share with below-average college attainment predicts Republican voting, and 16665 fits that profile on both counts.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 16665, PA sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 16665 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 16665 is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 70%, about 10 points above the U.S. average of 60%. 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.