Donora, PA Political Map | Democrat & Republican Areas in Donora

Donora leans slightly Republican by roughly 8 points: about 46% of voters vote Democratic and 54% Republican.

 
Donora, PA block-group political-lean map
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D+100 D+50 Even R+50 R+100
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About 61% of adults in Donora typically vote, near the U.S. average of about 62%. Among adults in Donora, ~28% vote Democratic, ~33% Republican, and ~39% don't vote. The map below shows estimated turnout by block group.

Donora, PA block-group voter-turnout map
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0% 50% 100%
Lower turnout Higher turnout
Colorblind friendly off

How Donora compares

Among cities within 25 miles, Donora leans more Republican than 64 of 261 neighbors.

Donora runs about 5 points more Republican than Pennsylvania as a whole.

Politics vary noticeably by neighborhood within Donora. The east side runs the most Democratic (Even) and the northeast side runs the most Republican (R+13), a spread of about 15 points.

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

Donora votes Republican even though it is densely developed (about 75%, far above the Pennsylvania average of 33%). State and regional patterns outweigh the Democratic lean that density usually predicts here. Low college attainment predicts Republican voting, and Donora sits in the bottom quarter (about 13%, below 84% of cities).

Never-married share, developed land, and voter turnout

Places that combine a never-married-heavy adult population and a heavily developed built environment tend to turn out at a lower rate, as Donora, PA does.

Why turnout in Donora looks the way it does

Renters vote less often than owners. About 45% of households in Donora rent, about 21 points above the U.S. average of 25%. 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.