19601 leans Democratic by roughly 28 points: about 64% of voters vote Democratic and 36% Republican.
About 42% of adults in 19601 typically vote, below the U.S. average of about 62%. Among adults in 19601, ~27% vote Democratic, ~15% Republican, and ~58% don't vote. The map below shows estimated turnout by block group.
How 19601 compares
Among zip codes within 15 miles, 19601 leans more Democratic than 39 of 40 neighbors.
19601 runs about 31 points more Democratic than Pennsylvania as a whole. Pennsylvania is roughly evenly split, and 19601 sits clearly on the Democratic side.
Politics vary noticeably by block within 19601. The south side is the most Democratic-leaning (D+38) and the northwest side is the least Democratic-leaning (D+17), a spread of about 21 points.
Why 19601 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 19601, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 98% of residents in 19601 live in densely developed areas, about 61 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 48% of adults in 19601 have never been married, above 94% of zip codes. 19601 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; 19601, 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 19601 looks the way it does
Areas with limited routine healthcare access turn out at lower rates. 19601 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 18 points below the Pennsylvania average of 64%. Renters vote less often than owners, and about 58% of households in 19601 rent, compared to around 33% in nearby zip codes. Low high-school completion lines up with lower turnout, and about 74% of adults in 19601 have completed high school, below 96% 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.