Williams County leans heavily Republican by roughly 50 points: about 25% of voters vote Democratic and 75% Republican.
About 76% of adults in Williams County typically vote, above the U.S. average of about 62%. Among adults in Williams County, ~19% vote Democratic, ~57% Republican, and ~24% don't vote. The map below shows estimated turnout by block group.
How Williams County compares
Among counties within 50 miles, Williams County leans more Republican than 11 of 16 neighbors.
Williams County runs about 39 points more Republican than Ohio as a whole.
Politics vary noticeably by city within Williams County. The northwest side is the most Republican-leaning (R+61) and the south side is the least Republican-leaning (R+33), a spread of about 28 points.
Why Williams 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 Williams County, not a ranked or complete list of what matters most.
Car-dependent areas vote Republican. About 86% of residents in Williams County drive to work alone, about 12 points above the U.S. average of 74%. Low college attainment predicts Republican voting, and Williams County sits in the bottom quarter (about 14%, below 92% of counties).
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Williams County, OH sits above the national average on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.
Why turnout in Williams County looks the way it does
Turnout in Williams 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
- Defiance County, OH R+43
- Steuben County, IN R+45
- Fulton County, OH R+45
- DeKalb County, IN R+49
- Hillsdale County, MI R+43
- Paulding County, OH R+57
- Henry County, OH R+53
- Branch County, MI R+38
- Lenawee County, MI R+27
- Allen County, IN R+5
Counties with Similar Populations
- Calloway County, KY R+36
- Green County, WI R+11
- Jefferson County, IL R+44
- Albany County, WY D+12
- Dodge County, NE R+31
- Macon County, NC R+42
- Webster County, IA R+22
- Yadkin County, NC R+61
- Clark County, KY R+39
- Webster Parish, LA R+27
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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.