19122 is a Democratic stronghold. About 88% of voters here vote Democratic and 12% Republican.
About 61% of adults in 19122 typically vote, near the U.S. average of about 62%. Among adults in 19122, ~54% vote Democratic, ~7% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.
How 19122 compares
Among zip codes within 15 miles, 19122 leans more Democratic than 90 of 109 neighbors.
19122 runs about 77 points more Democratic than Pennsylvania as a whole. Pennsylvania is roughly evenly split, and 19122 sits clearly on the Democratic side.
Politics vary noticeably by block within 19122. The northwest side is the most Democratic-leaning (D+81) and the northeast side is the least Democratic-leaning (D+66), a spread of about 16 points.
Why 19122 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 19122, not a ranked or complete list of what matters most.
Dense areas vote Democratic. More than 99% of residents in 19122 live in densely developed areas, about 64 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 71% of adults in 19122 have never been married, in the top fraction of zip codes. 19122 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; 19122, 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 19122 looks the way it does
Renters vote less often than owners. About 62% of households in 19122 rent, about 37 points above the U.S. average of 25%. High-crime urban areas turn out at lower rates, and 19122 sits in the top 15% on a violent-crime measure. 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.