18064 leans slightly Republican by roughly 14 points: about 43% of voters vote Democratic and 57% Republican.
About 87% of adults in 18064 typically vote, above the U.S. average of about 62%. Among adults in 18064, ~38% vote Democratic, ~50% Republican, and ~12% don't vote. The map below shows estimated turnout by block group.
How 18064 compares
Among zip codes within 15 miles, 18064 leans more Republican than 17 of 37 neighbors.
18064 runs about 12 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by block within 18064. The northeast side is the most Republican-leaning (R+24) and the south side is the least Republican-leaning (R+8), a spread of about 16 points.
Why 18064 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 18064, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 74% of households in 18064 are family households, about 7 points above the U.S. average of 67%.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 18064, 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 18064 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 18064 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.