Ohio County is a Republican stronghold. About 19% of voters here vote Democratic and 81% Republican.
About 68% of adults in Ohio County typically vote, above the U.S. average of about 62%. Among adults in Ohio County, ~13% vote Democratic, ~55% Republican, and ~32% don't vote. The map below shows estimated turnout by block group.
How Ohio County compares
Among counties within 50 miles, Ohio County leans more Republican than 15 of 17 neighbors.
Ohio County runs about 32 points more Republican than Kentucky as a whole.
Why Ohio County leans the way it does
This analysis examined 14,881 data points per county to find what predicts political lean and turnout. The items below are a few correlations that stood out for Ohio County, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 85% of residents in Ohio County drive to work alone, about 11 points above the U.S. average of 74%. A high white share with below-average college attainment predicts Republican voting, and Ohio County fits that profile on both counts.
Paved land cover and Republican lean
Places with little paved surface tend to lean Republican; Ohio County, KY sits below the national average on this measure. Paved ground does not change how people vote; it mostly reflects how urban and built-up a place is.
Why turnout in Ohio County looks the way it does
Turnout in Ohio County sits close to the national pattern. Routine healthcare access, homeownership, education, and food security all land near their national averages here. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- McLean County, KY R+58
- Butler County, KY R+67
- Muhlenberg County, KY R+55
- Daviess County, KY R+31
- Hancock County, KY R+52
- Grayson County, KY R+63
- Breckinridge County, KY R+58
- Hopkins County, KY R+48
- Edmonson County, KY R+67
- Perry County, IN R+39
Counties with Similar Populations
- Saline County, IL R+50
- Upshur County, WV R+55
- Aransas County, TX R+46
- Iowa County, WI R+11
- Page County, VA R+53
- Anderson County, KY R+50
- Itawamba County, MS R+76
- Mingo County, WV R+71
- Hood River County, OR D+24
- Seminole County, OK R+51
Sources and methodology
Precinct-level voting records used to fit the model come from Kentucky State Board of 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.