45820 is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.
About 85% of adults in 45820 typically vote, above the U.S. average of about 62%. Among adults in 45820, ~15% vote Democratic, ~70% Republican, and ~15% don't vote. The map below shows estimated turnout by block group.
How 45820 compares
Among zip codes within 15 miles, 45820 leans more Republican than 9 of 19 neighbors.
45820 runs about 53 points more Republican than Ohio as a whole.
Why 45820 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 45820, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 90% of residents in 45820 drive to work alone, about 17 points above the U.S. average of 74%.
Preventive-care access and voter turnout
Places with strong routine preventive-care access tend to turn out at a higher rate; 45820, OH 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 45820 looks the way it does
Areas with strong routine healthcare access turn out at higher rates. 45820 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 68%, about 8 points above the U.S. average of 60%. 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.