45339 is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.
About 75% of adults in 45339 typically vote, above the U.S. average of about 62%. Among adults in 45339, ~14% vote Democratic, ~61% Republican, and ~25% don't vote. The map below shows estimated turnout by block group.
How 45339 compares
Among zip codes within 15 miles, 45339 leans more Republican than 16 of 24 neighbors.
45339 runs about 53 points more Republican than Ohio as a whole.
Why 45339 leans the way it does
Density, race composition, education, and family structure all sit close to their national averages in 45339. The lean here lands roughly where demographic data alone would predict.
High-school completion and voter turnout
Places with high-school-completion-heavy adults tend to turn out at a higher rate; 45339, OH sits in the top quarter nationally on this measure.
Why turnout in 45339 looks the way it does
High high-school completion lines up with higher turnout, and about 96% of adults in 45339 have completed high school, above 81% of zip codes. 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.