19124 is a Democratic stronghold. About 76% of voters here vote Democratic and 24% Republican.
About 58% of adults in 19124 typically vote, near the U.S. average of about 62%. Among adults in 19124, ~44% vote Democratic, ~14% Republican, and ~42% don't vote. The map below shows estimated turnout by block group.
How 19124 compares
Among zip codes within 15 miles, 19124 leans more Democratic than 61 of 105 neighbors.
19124 runs about 54 points more Democratic than Pennsylvania as a whole. Pennsylvania is roughly evenly split, and 19124 sits clearly on the Democratic side.
Politics vary noticeably by block within 19124. The northeast side is the most Democratic-leaning (D+62) and the southwest side is the least Democratic-leaning (D+36), a spread of about 25 points.
Why 19124 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 19124, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 99% of residents in 19124 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 52% of adults in 19124 have never been married, above 96% of zip codes. 19124 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; 19124, PA sits in the top tenth 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 19124 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 19124 is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 45%, about 19 points below the Pennsylvania average of 64%. Renters vote less often than owners, and about 36% of households in 19124 rent, above 82% of zip codes. Low high-school completion lines up with lower turnout, and about 82% of adults in 19124 have completed high school, below 88% 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.