Circleville leans heavily Republican by roughly 34 points: about 33% of voters vote Democratic and 67% Republican.
About 77% of adults in Circleville typically vote, above the U.S. average of about 62%. Among adults in Circleville, ~25% vote Democratic, ~52% Republican, and ~23% don't vote. The map below shows estimated turnout by block group.
How Circleville compares
Among cities within 25 miles, Circleville leans more Republican than 14 of 86 neighbors.
Circleville runs about 23 points more Republican than Ohio as a whole.
Politics vary noticeably by neighborhood within Circleville. The southeast side is the most Republican-leaning (R+50) and the east side is the least Republican-leaning (R+32), a spread of about 18 points.
Why Circleville 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 Circleville, not a ranked or complete list of what matters most.
Circleville votes Republican even though it is densely developed (about 58%, well above the Ohio average of 34%). State and regional patterns outweigh the Democratic lean that density usually predicts here.
Population density and Democratic lean
Places with high population density tend to lean Democratic; Circleville, OH sits in the top tenth nationally on this measure.
Why turnout in Circleville looks the way it does
Turnout in Circleville sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Knollwood Village, OH R+44
- Logan Elm Village, OH R+55
- Thatcher, OH R+55
- Jefferson Estates, OH R+56
- Little Walnut, OH R+56
- Stoutsville, OH R+55
- Fox, OH R+55
- East Ringgold, OH R+58
- Meade, OH R+55
Cities with Similar Populations
- Brookhaven, MS R+15
- Sandy, OR R+14
- Havelock, NC R+17
- Erlanger, KY R+14
- Santa Rosa Beach, FL R+45
- Santa Fe Springs, CA D+25
- Athens, TX R+40
- Oxford, NC D+10
- Walpole, MA D+16
- Gaston, SC R+33
All Local Stats
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Sources and methodology
Precinct-level voting records used to fit the model come from Ohio Secretary of State, 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.