15049 leans slightly Republican by roughly 12 points: about 44% of voters vote Democratic and 56% Republican.
About 73% of adults in 15049 typically vote, above the U.S. average of about 62%. Among adults in 15049, ~32% vote Democratic, ~41% Republican, and ~27% don't vote. The map below shows estimated turnout by block group.
How 15049 compares
Among zip codes within 15 miles, 15049 leans more Republican than 54 of 73 neighbors.
15049 runs about 10 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by block within 15049. The northeast side is the most Republican-leaning (R+26) and the northwest side is the least Republican-leaning (R+10), a spread of about 16 points.
Why 15049 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 15049, not a ranked or complete list of what matters most.
15049 votes Republican even though it is densely developed (about 68%, far above the Pennsylvania average of 33%). Here an older population outweighs the Democratic lean that density usually predicts.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 15049, PA sits above the national average 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 15049 looks the way it does
Turnout in 15049 sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. 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.