18619 is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 69% of adults in 18619 typically vote, above the U.S. average of about 62%. Among adults in 18619, ~13% vote Democratic, ~56% Republican, and ~31% don't vote. The map below shows estimated turnout by block group.
How 18619 compares
Among zip codes within 15 miles, 18619 leans more Republican than 7 of 8 neighbors.
18619 runs about 60 points more Republican than Pennsylvania as a whole.
Why 18619 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 18619, not a ranked or complete list of what matters most.
Rural areas vote Republican. About 4% of residents in 18619 live in densely developed areas, about 30 points below the Pennsylvania average of 33%.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; 18619, PA sits in the bottom tenth nationally 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 18619 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 18619 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 62%, modestly above similar-sized zip codes (around 57%). Homeowners vote more often than renters, and about 91% of households in 18619 own their home, about 16 points above the U.S. average of 75%. 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.