Sunset Hills, Pittsburgh, PA Political Map | Democrat & Republican Areas in Sunset Hills

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

Sunset Hills leans heavily Democratic by roughly 34 points: about 67% of voters vote Democratic and 33% Republican.

 

About 96% of adults in Sunset Hills typically vote, above the U.S. average of about 62%. Among adults in Sunset Hills, ~64% vote Democratic, ~32% Republican, and ~4% don't vote. The map below shows estimated turnout by block group.

How Sunset Hills compares

Among neighborhoods within 5 miles, Sunset Hills leans more Democratic than 7 of 15 neighbors.

Sunset Hills runs about 36 points more Democratic than Pennsylvania as a whole. Pennsylvania is roughly evenly split, and Sunset Hills sits clearly on the Democratic side.

Why Sunset Hills 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 Sunset Hills, not a ranked or complete list of what matters most.

Areas with high college attainment vote Democratic. About 63% of adults in Sunset Hills hold a bachelor's degree, about 34 points above the U.S. average of 28%. Sunset Hills runs against the grain of Pennsylvania, a Democratic-leaning outlier in a roughly evenly split state.

Park access and Democratic lean

Places with heavy park coverage tend to lean Democratic; Sunset Hills, Pittsburgh, PA sits in the top quarter nationally on this measure. Park access does not change how people vote; it tends to track denser, higher-income areas.

Why turnout in Sunset Hills looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Sunset Hills 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 73%, about 13 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 99% of adults in Sunset Hills have completed high school, above 89% 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.