18036 leans slightly Republican by roughly 12 points: about 44% of voters vote Democratic and 56% Republican.
About 91% of adults in 18036 typically vote, above the U.S. average of about 62%. Among adults in 18036, ~40% vote Democratic, ~51% Republican, and ~9% don't vote. The map below shows estimated turnout by block group.
How 18036 compares
Among zip codes within 15 miles, 18036 leans more Republican than 27 of 52 neighbors.
18036 runs about 10 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by block within 18036. The southeast side is the most split-leaning (R+24) and the north side is the least split-leaning (R+2), a spread of about 22 points.
Why 18036 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 18036, not a ranked or complete list of what matters most.
Areas with many family households vote Republican. About 77% of households in 18036 are family households, about 10 points above the U.S. average of 67%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 18036, PA sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 18036 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 18036 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 72%, about 12 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 88% of households in 18036 own their home, above 82% 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.