East Pittsburgh, PA Political Map | Democrat & Republican Areas in East Pittsburgh

East Pittsburgh is a Democratic stronghold. About 76% of voters here vote Democratic and 24% Republican.

 
East Pittsburgh, PA block-group political-lean map
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About 66% of adults in East Pittsburgh typically vote, near the U.S. average of about 62%. Among adults in East Pittsburgh, ~50% vote Democratic, ~16% Republican, and ~34% don't vote. The map below shows estimated turnout by block group.

East Pittsburgh, PA block-group voter-turnout map
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How East Pittsburgh compares

Among cities within 25 miles, East Pittsburgh leans more Democratic than 255 of 261 neighbors.

East Pittsburgh runs about 55 points more Democratic than Pennsylvania as a whole. Pennsylvania is roughly evenly split, and East Pittsburgh sits clearly on the Democratic side.

Politics vary noticeably by neighborhood within East Pittsburgh. The south side is the most Democratic-leaning (D+61) and the north side is the least Democratic-leaning (D+43), a spread of about 18 points.

Why East Pittsburgh leans the way it does

This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for East Pittsburgh, not a ranked or complete list of what matters most.

Dense areas vote Democratic. About 98% of residents in East Pittsburgh 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 59% of adults in East Pittsburgh have never been married, in the top fraction of cities. East Pittsburgh runs against the grain of Pennsylvania, a Democratic-leaning outlier in a roughly evenly split state.

Population density and Democratic lean

Places with high population density tend to lean Democratic; East Pittsburgh, PA sits in the top tenth nationally on this measure.

Why turnout in East Pittsburgh looks the way it does

Turnout in East Pittsburgh 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.

Cities with Similar Populations

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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.