19085 leans Democratic by roughly 28 points: about 64% of voters vote Democratic and 36% Republican.
About 86% of adults in 19085 typically vote, above the U.S. average of about 62%. Among adults in 19085, ~55% vote Democratic, ~31% Republican, and ~14% don't vote. The map below shows estimated turnout by block group.
How 19085 compares
Among zip codes within 15 miles, 19085 leans more Democratic than 52 of 123 neighbors.
19085 runs about 29 points more Democratic than Pennsylvania as a whole. Pennsylvania is roughly evenly split, and 19085 sits clearly on the Democratic side.
Politics vary noticeably by block within 19085. The east side is the most Democratic-leaning (D+36) and the southwest side is the least Democratic-leaning (D+18), a spread of about 18 points.
Why 19085 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 19085, not a ranked or complete list of what matters most.
Areas with high college attainment vote Democratic. About 81% of adults in 19085 hold a bachelor's degree, about 53 points above the U.S. average of 28%. Dense areas vote Democratic, and 19085 sits in the top fifth on density (about 89%, above 87% of zip codes). A high never-married share predicts Democratic voting, and about 51% of adults in 19085 have never been married, above 95% of zip codes.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 19085, PA sits in the top tenth nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.
Why turnout in 19085 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 19085 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 75%, about 15 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 96% of households in 19085 own their home, compared to around 68% in nearby zip codes. High high-school completion lines up with higher turnout, and about 98% of adults in 19085 have completed high school, above 92% 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.