Lewis Run, PA Political Map | Democrat & Republican Areas in Lewis Run

Lewis Run leans heavily Republican by roughly 46 points: about 27% of voters vote Democratic and 73% Republican.

 
Lewis Run, PA block-group political-lean map
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About 45% of adults in Lewis Run typically vote, below the U.S. average of about 62%. Among adults in Lewis Run, ~12% vote Democratic, ~33% Republican, and ~55% don't vote. The map below shows estimated turnout by block group.

Lewis Run, PA block-group voter-turnout map
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Colorblind friendly off

How Lewis Run compares

Among cities within 25 miles, Lewis Run leans more Republican than 31 of 87 neighbors.

Lewis Run runs about 44 points more Republican than Pennsylvania as a whole.

Politics vary noticeably by neighborhood within Lewis Run. The southwest side is the most Republican-leaning (R+58) and the east side is the least Republican-leaning (R+42), a spread of about 16 points.

Why Lewis Run 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 Lewis Run, not a ranked or complete list of what matters most.

Areas with low college attainment vote Republican. About 12% of adults in Lewis Run hold a bachelor's degree, about 14 points below the Pennsylvania average of 26%.

Never-married share and voter turnout

Places with a never-married-heavy adult population tend to turn out at a lower rate; Lewis Run, PA sits in the top tenth nationally on this measure.

Why turnout in Lewis Run looks the way it does

Turnout in Lewis Run sits close to the national pattern. 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.