19319 leans Democratic by roughly 24 points: about 62% of voters vote Democratic and 38% Republican.
About 87% of adults in 19319 typically vote, above the U.S. average of about 62%. Among adults in 19319, ~54% vote Democratic, ~33% Republican, and ~13% don't vote. The map below shows estimated turnout by block group.
How 19319 compares
Among zip codes within 15 miles, 19319 leans more Democratic than 42 of 74 neighbors.
19319 runs about 25 points more Democratic than Pennsylvania as a whole. Pennsylvania is roughly evenly split, and 19319 sits clearly on the Democratic side.
Politics vary noticeably by block within 19319. The north side runs the most Democratic (D+36) and the southeast side runs the most Republican (R+6), a spread of about 42 points.
Why 19319 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 19319, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 62% of adults in 19319 hold a bachelor's degree, about 34 points above the U.S. average of 28%. Density combined with diversity predicts Democratic voting, and non-Hispanic white share in 19319 is about 46%, compared to around 80% in nearby zip codes. A high never-married share predicts Democratic voting, and about 76% of adults in 19319 have never been married, in the top fraction of zip codes.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; 19319, PA sits in the top quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 19319 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 19319 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 76%, about 16 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.