Berlin is a Republican stronghold. About 23% of voters here vote Democratic and 77% Republican.
About 59% of adults in Berlin typically vote, near the U.S. average of about 62%. Among adults in Berlin, ~14% vote Democratic, ~45% Republican, and ~41% don't vote. The map below shows estimated turnout by block group.
How Berlin compares
Among cities within 25 miles, Berlin leans more Republican than 34 of 123 neighbors.
Berlin runs about 52 points more Republican than Pennsylvania as a whole.
Politics vary noticeably by neighborhood within Berlin. The north side is the most Republican-leaning (R+68) and the northwest side is the least Republican-leaning (R+43), a spread of about 25 points.
Why Berlin 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 Berlin, not a ranked or complete list of what matters most.
Berlin votes Republican even though it is densely developed (about 34%, above 82% of cities). State and regional patterns outweigh the Democratic lean that density usually predicts here. Low college attainment predicts Republican voting, and Berlin sits in the bottom quarter (about 13%, below 85% of cities).
Developed land, local retail density, and voter turnout
Places that combine a heavily developed built environment and sparse local retail within a mile tend to turn out at a lower rate, as Berlin, PA does.
Why turnout in Berlin looks the way it does
Turnout in Berlin sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Brotherton, PA R+63
- Macdonaldton, PA R+71
- Salco, PA R+73
- Downey, PA R+67
- Shanksville, PA R+63
- Garrett, PA R+69
- Friedens, PA R+60
- Somerset, PA R+44
Cities with Similar Populations
- Burns, TN R+52
- Homeland Park, SC R+12
- Nicholls, GA R+44
- Mount Healthy, OH D+36
- Cherry Hills Village, CO Even
- Shepherd, TX R+57
- Sand Lake, MI R+43
- Ramseur, NC R+51
- Poolesville, MD D+12
- Steele Creek, AK R+27
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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.