19320 leans Democratic by roughly 16 points: about 58% of voters vote Democratic and 42% Republican.
About 78% of adults in 19320 typically vote, above the U.S. average of about 62%. Among adults in 19320, ~45% vote Democratic, ~33% Republican, and ~22% don't vote. The map below shows estimated turnout by block group.
How 19320 compares
Among zip codes within 15 miles, 19320 leans more Democratic than 22 of 31 neighbors.
19320 runs about 17 points more Democratic than Pennsylvania as a whole. Pennsylvania is roughly evenly split, and 19320 sits clearly on the Democratic side.
Politics vary noticeably by block within 19320. The east side runs the most Democratic (D+29) and the northwest side runs the most Republican (R+16), a spread of about 45 points.
Why 19320 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 19320, not a ranked or complete list of what matters most.
Areas with many never-married adults vote Democratic. About 35% of adults in 19320 have never been married, about 5 points above the U.S. average of 29%. 19320 runs against the grain of Pennsylvania, a Democratic-leaning outlier in a roughly evenly split state.
Walkability and Democratic lean
Places with a highly walkable street grid tend to lean Democratic; 19320, PA sits above 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 19320 looks the way it does
Turnout in 19320 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.