19036 leans slightly Democratic by roughly 12 points: about 56% of voters vote Democratic and 44% Republican.
About 73% of adults in 19036 typically vote, above the U.S. average of about 62%. Among adults in 19036, ~41% vote Democratic, ~32% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How 19036 compares
Among zip codes within 15 miles, 19036 leans more Democratic than 18 of 98 neighbors.
19036 runs about 13 points more Democratic than Pennsylvania as a whole. Pennsylvania is roughly evenly split, and 19036 sits clearly on the Democratic side.
Politics vary noticeably by block within 19036. The northeast side is the most Democratic-leaning (D+27) and the northwest side is the least Democratic-leaning (Even), a spread of about 25 points.
Why 19036 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 19036, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 99% of residents in 19036 live in densely developed areas, about 63 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 39% of adults in 19036 have never been married, above 86% of zip codes. 19036 runs against the grain of Pennsylvania, a Democratic-leaning outlier in a roughly evenly split state.
Paved land cover and Democratic lean
Places with extensive paved surfaces tend to lean Democratic; 19036, PA sits in the top 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 19036 looks the way it does
Turnout in 19036 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.