45866 is a Republican stronghold. About 20% of voters here vote Democratic and 80% Republican.
About 74% of adults in 45866 typically vote, above the U.S. average of about 62%. Among adults in 45866, ~15% vote Democratic, ~59% Republican, and ~26% don't vote. The map below shows estimated turnout by block group.
How 45866 compares
Among zip codes within 15 miles, 45866 leans more Republican than 2 of 19 neighbors.
45866 runs about 49 points more Republican than Ohio as a whole.
Why 45866 leans the way it does
This analysis examined 14,881 data points per zip code to find what predicts political lean and turnout. The items below are a few correlations that stood out for 45866, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In 45866, more than 99% of residents are non-Hispanic white, about 27 points above the U.S. average of 72%; about 16% of adults hold a bachelor's degree, about 8 points below the Ohio average of 23%. Car-dependent areas vote Republican, and about 92% of residents in 45866 drive to work alone, above 98% of zip codes.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 45866, OH sits above the national average 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 45866 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 45866 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 66%, about 6 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 90% of households in 45866 own their home, about 15 points above the U.S. average of 75%. Learn more about the findings and methodology on the political spectrum map.
Nearby Zip Codes
Zip Codes with Similar Populations
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.