Lima leans slightly Democratic by roughly 10 points: about 55% of voters vote Democratic and 45% Republican.
About 88% of adults in Lima typically vote, above the U.S. average of about 62%. Among adults in Lima, ~48% vote Democratic, ~40% Republican, and ~12% don't vote. The map below shows estimated turnout by block group.
How Lima compares
Among cities within 25 miles, Lima leans more Democratic than 93 of 233 neighbors.
Lima runs about 12 points more Democratic than Pennsylvania as a whole.
Why Lima 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 Lima, not a ranked or complete list of what matters most.
Dense areas vote Democratic. About 49% of residents in Lima live in densely developed areas, about 13 points above the U.S. average of 36%. High college attainment predicts Democratic voting, and Lima sits in the top quarter (about 45%, above 91% of cities).
Population density and Democratic lean
Places with high population density tend to lean Democratic; Lima, PA sits in the top quarter nationally on this measure.
Why turnout in Lima looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Lima 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 75%, about 15 points above the U.S. average of 60%. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Chester Heights, PA D+13
- Media, PA D+21
- Aston, PA R+5
- Rose Valley, PA D+36
- Glen Mills, PA D+4
- Cheyney, PA R+3
- Wallingford, PA D+30
- Brookhaven, PA D+17
- Newtown Square, PA D+5
- Thornton, PA D+11
Cities with Similar Populations
- Alstead, NH R+20
- Hokah, MN R+24
- Brownton, MN R+55
- Villa Nova, OH R+56
- Donaldson, AR R+74
- Legend Lake, WI D+41
- Kingsford Heights, IN R+22
- New Ulm, TX R+69
- Bradbury, CA D+4
- Ashley, IN R+55
All Local Stats
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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.