19602 leans heavily Democratic by roughly 30 points: about 65% of voters vote Democratic and 35% Republican.
About 39% of adults in 19602 typically vote, below the U.S. average of about 62%. Among adults in 19602, ~25% vote Democratic, ~14% Republican, and ~61% don't vote. The map below shows estimated turnout by block group.
How 19602 compares
Among zip codes within 15 miles, 19602 is the most Democratic-leaning.
19602 runs about 33 points more Democratic than Pennsylvania as a whole. Pennsylvania is roughly evenly split, and 19602 sits clearly on the Democratic side.
Politics vary noticeably by block within 19602. The west side is the most Democratic-leaning (D+37) and the northeast side is the least Democratic-leaning (D+25), a spread of about 12 points.
Why 19602 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 19602, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 88% of residents in 19602 live in densely developed areas, about 52 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 55% of adults in 19602 have never been married, above 97% of zip codes. 19602 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; 19602, 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 19602 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 19602 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 42%, about 21 points below the Pennsylvania average of 64%. Renters vote less often than owners, and about 72% of households in 19602 rent, compared to around 31% in nearby zip codes. Low high-school completion lines up with lower turnout, and about 72% of adults in 19602 have completed high school, below 97% 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.