Eau Claire, PA Political Map | Democrat & Republican Areas in Eau Claire

Eau Claire is a Republican stronghold. About 21% of voters here vote Democratic and 79% Republican.

 
Eau Claire, PA block-group political-lean map
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About 67% of adults in Eau Claire typically vote, near the U.S. average of about 62%. Among adults in Eau Claire, ~14% vote Democratic, ~53% Republican, and ~33% don't vote. The map below shows estimated turnout by block group.

Eau Claire, PA block-group voter-turnout map
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How Eau Claire compares

Among cities within 25 miles, Eau Claire leans more Republican than 81 of 127 neighbors.

Eau Claire runs about 57 points more Republican than Pennsylvania as a whole.

Why Eau Claire 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 Eau Claire, not a ranked or complete list of what matters most.

Areas with a high white share and below-average college attainment vote Republican. In Eau Claire, about 94% of residents are non-Hispanic white, about 22 points above the U.S. average of 72%; about 15% of adults hold a bachelor's degree, about 11 points below the Pennsylvania average of 26%.

Paved land cover and Republican lean

Places with little paved surface tend to lean Republican; Eau Claire, PA sits below the national average 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 Eau Claire looks the way it does

Turnout in Eau Claire 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.