East Petersburg, PA Political Map | Democrat & Republican Areas in East Petersburg

East Petersburg leans slightly Republican by roughly 6 points: about 47% of voters vote Democratic and 53% Republican.

 
East Petersburg, PA block-group political-lean map
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About 99% of adults in East Petersburg typically vote, above the U.S. average of about 62%. Among adults in East Petersburg, ~46% vote Democratic, ~52% Republican, and ~2% don't vote. The map below shows estimated turnout by block group.

East Petersburg, PA block-group voter-turnout map
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How East Petersburg compares

Among cities within 25 miles, East Petersburg leans more Republican than 15 of 160 neighbors.

East Petersburg runs about 4 points more Republican than Pennsylvania as a whole.

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

East Petersburg votes Republican even though it is densely developed (about 88%, far above the Pennsylvania average of 33%). Here an older population outweighs the Democratic lean that density usually predicts.

Preventive-care access and voter turnout

Places with strong routine preventive-care access tend to turn out at a higher rate; East Petersburg, PA sits in the top quarter nationally on this measure. Dental visits do not drive turnout; the rate reflects income, insurance, and healthcare access, which line up with who votes.

Why turnout in East Petersburg looks the way it does

Areas with strong routine healthcare access turn out at higher rates. East Petersburg 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 70%, about 10 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 92% of households in East Petersburg own their home, about 17 points above the U.S. average of 75%. 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.