45621 is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.
About 53% of adults in 45621 typically vote, below the U.S. average of about 62%. Among adults in 45621, ~10% vote Democratic, ~43% Republican, and ~47% don't vote. The map below shows estimated turnout by block group.
How 45621 compares
Among zip codes within 15 miles, 45621 is the most Republican-leaning.
45621 runs about 52 points more Republican than Ohio as a whole.
Why 45621 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 45621, not a ranked or complete list of what matters most.
Areas with low college attainment vote Republican. About 3% of adults in 45621 hold a bachelor's degree, about 20 points below the Ohio average of 23%. Car-dependent areas vote Republican, and about 95% of residents in 45621 drive to work alone, in the top fraction of zip codes.
Cancer-screening access and voter turnout
Places with low colon-cancer-screening access tend to turn out at a lower rate; 45621, OH sits in the bottom quarter nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in 45621 looks the way it does
Areas with high food insecurity turn out at lower rates. About 20% of adults in 45621 report food insecurity, above 80% of zip codes. Limited routine healthcare access lines up with lower turnout, and 45621 sits in the bottom quarter on routine-care measures. 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.