Adams County is a Republican stronghold. About 18% of voters here vote Democratic and 82% Republican.
About 70% of adults in Adams County typically vote, above the U.S. average of about 62%. Among adults in Adams County, ~13% vote Democratic, ~57% Republican, and ~30% don't vote. The map below shows estimated turnout by block group.
How Adams County compares
Among counties within 50 miles, Adams County leans more Republican than 17 of 18 neighbors.
Adams County runs about 53 points more Republican than Ohio as a whole.
Why Adams 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 Adams County, not a ranked or complete list of what matters most.
Areas with a high white share and below-average college attainment vote Republican. In Adams County, about 96% of residents are non-Hispanic white, about 24 points above the U.S. average of 72%; about 15% of adults hold a bachelor's degree, about 9 points below the Ohio average of 23%. Car-dependent areas vote Republican, and about 84% of residents in Adams County drive to work alone, above 91% of counties. A high family-household share predicts Republican voting, and about 70% of households in Adams County are family households, above 78% of counties.
Walkability and Republican lean
Places with a low walkability score tend to lean Republican; Adams County, OH sits in the bottom quarter nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.
Why turnout in Adams County looks the way it does
Turnout in Adams County sits close to the national pattern. Learn more about the findings and methodology on the political spectrum map.
Nearby Counties
- Brown County, OH R+61
- Mason County, KY R+42
- Lewis County, KY R+66
- Highland County, OH R+61
- Pike County, OH R+58
- Scioto County, OH R+47
- Bracken County, KY R+58
- Fleming County, KY R+61
- Robertson County, KY R+61
- Clermont County, OH R+37
Counties with Similar Populations
- Logan County, KY R+56
- San Jacinto County, TX R+57
- Orleans County, VT R+17
- Tillamook County, OR R+9
- White County, TN R+66
- Jennings County, IN R+56
- Henry County, OH R+53
- Upson County, GA R+30
- Fluvanna County, VA R+16
- Union County, SC R+28
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.