Squirrel Hill South, Pittsburgh, PA Political Map | Democrat & Republican Areas in Squirrel Hill South

By the BestNeighborhood data science team. Last updated May 2026.

Squirrel Hill South is a Democratic stronghold. About 80% of voters here vote Democratic and 20% Republican.

 

About 80% of adults in Squirrel Hill South typically vote, above the U.S. average of about 62%. Among adults in Squirrel Hill South, ~64% vote Democratic, ~16% Republican, and ~20% don't vote. The map below shows estimated turnout by block group.

How Squirrel Hill South compares

Among neighborhoods within 5 miles, Squirrel Hill South leans more Democratic than 13 of 28 neighbors.

Squirrel Hill South runs about 63 points more Democratic than Pennsylvania as a whole. Pennsylvania is roughly evenly split, and Squirrel Hill South sits clearly on the Democratic side.

Politics vary noticeably by block within Squirrel Hill South. The northwest side is the most Democratic-leaning (D+69) and the north side is the least Democratic-leaning (D+53), a spread of about 16 points.

Why Squirrel Hill South leans the way it does

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

Areas with high college attainment vote Democratic. About 78% of adults in Squirrel Hill South hold a bachelor's degree, about 50 points above the U.S. average of 28%. Squirrel Hill South runs against the grain of Pennsylvania, a Democratic-leaning outlier in a roughly evenly split state.

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Squirrel Hill South, Pittsburgh, PA sits in the top quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.

Why turnout in Squirrel Hill South looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Squirrel Hill South 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 70%, about 10 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 98% of adults in Squirrel Hill South have completed high school, above 83% of neighborhoods. Learn more about the findings and methodology on the political spectrum map.

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.