18636 leans heavily Republican by roughly 50 points: about 25% of voters vote Democratic and 75% Republican.
About 65% of adults in 18636 typically vote, near the U.S. average of about 62%. Among adults in 18636, ~16% vote Democratic, ~49% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.
How 18636 compares
Among zip codes within 15 miles, 18636 leans more Republican than 17 of 18 neighbors.
18636 runs about 48 points more Republican than Pennsylvania as a whole.
Why 18636 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 18636, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 18636, about 95% of residents are non-Hispanic white, about 23 points above the U.S. average of 72%; about 15% of adults hold a bachelor's degree, about 10 points below the Pennsylvania average of 26%.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; 18636, PA sits below the national average on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in 18636 looks the way it does
Turnout in 18636 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.