South Sterling, PA Political Map | Democrat & Republican Areas in South Sterling

South Sterling is a true toss-up. About 49% of voters here vote Democratic and 51% Republican.

 
South Sterling, PA block-group political-lean map
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About 66% of adults in South Sterling typically vote, near the U.S. average of about 62%. Among adults in South Sterling, ~32% vote Democratic, ~33% Republican, and ~35% don't vote. The map below shows estimated turnout by block group.

South Sterling, PA block-group voter-turnout map
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Lower turnout Higher turnout
Colorblind friendly off

How South Sterling compares

Among cities within 25 miles, South Sterling sits roughly in the middle of the political spectrum, with 19 neighbors leaning further in the place's direction and 112 leaning the other way.

Politically, South Sterling sits close to the rest of Pennsylvania.

Politics vary noticeably by neighborhood within South Sterling. The south side runs the most Democratic (D+18) and the east side runs the most Republican (R+45), a spread of about 63 points.

Why South Sterling leans the way it does

Density, race composition, education, and family structure all sit close to their national averages in South Sterling. The lean here lands roughly where demographic data alone would predict.

Paved land cover and Republican lean

Places with little paved surface tend to lean Republican; South Sterling, PA sits in the bottom quarter 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 South Sterling looks the way it does

Turnout in South Sterling 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

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.