County profile
Williams County, Ohio
Environmental & community health profile. Fused from EPA, CDC, CMS, and Census data into a single free view.
Opportunity Score
out of 100
Env
22
Disease
66
Provider
33
SDOH
46
Compound Signal Status
No compound signal at the 70th-percentile threshold
Williams County, Ohio does not show a compound signal, but its disease burden score of 66 (66th percentile nationally) is notably above the median. This reflects elevated chronic disease prevalence across respiratory, cardiovascular, oncology, and behavioral health conditions. The other dimensions remain below the 70th-percentile compound-signal threshold, so the pattern here is concentrated risk in one area rather than converging multi-dimensional stress.
Environmental Factors
Air, water, and exposure indicators
Top environmental indicators for Williams County with state and national benchmarks. Full profile covers 40+ metrics on the platform.
| Indicator | Williams County | OH avg | US avg |
|---|---|---|---|
PM2.5 (annual mean) EPA AQS / EJSCREEN | 7.7 µg/m³ -1.1% vs OH | 7.7 | 7.4 |
Ozone EPA AQS / EJSCREEN | 63.8 ppb ▲ +4.4% vs OH | 61.1 | 57.1 |
Traffic Proximity EJSCREEN | 35,600 index ▼ -87% vs OH | 283,393 | 291,320 |
Superfund Proximity EPA EJSCREEN | 0.00 score ▼ -100% vs OH | 0.08 | 0.16 |
Drinking Water Violations EPA EJSCREEN | 0.48 score ▼ -62% vs OH | 1.28 | 3.39 |
Health Outcomes
Chronic disease prevalence
CDC PLACES model-based prevalence estimates for adults in Williams County. Full profile covers 15+ health outcomes plus mortality on the platform.
| Condition | Williams County | OH avg | US avg |
|---|---|---|---|
Current Asthma % of adults with current asthma | 11.1% +0.5% vs OH | 11.0% | 10.6% |
COPD % of adults with diagnosed COPD | 9.5% ▲ +4.6% vs OH | 9.1% | 8.5% |
Diabetes % of adults with diagnosed diabetes | 14.4% ▲ +4.4% vs OH | 13.8% | 13.6% |
Coronary Heart Disease % of adults with CHD | 8.3% ▲ +5.1% vs OH | 7.9% | 7.8% |
Depression % of adults ever diagnosed with depression | 25.8% -0.7% vs OH | 26.0% | 22.9% |
Frequent Mental Distress % of adults with 14+ poor mental health days/month | 18.2% +1.0% vs OH | 18.0% | 17.1% |
On the full platform
What else is available for Williams County
The page above is a subset. The free Community account unlocks the full single-county profile — every indicator, every data source, demographics, historical trends, and mortality data. Professional unlocks multi-county comparison, compound signal analysis, service line rankings, and consultant-ready PDF reports.
Full Environmental Profile
All 40+ environmental metrics including toxic releases, hazardous site proximity, PFAS detection, pesticide exposure, and climate stress indicators.
Service Line Opportunities
See how Williams County ranks for respiratory, oncology, cardiovascular, renal, endocrine, and behavioral health service line opportunity.
Multi-County Comparison
Compare Williams County side-by-side with neighboring counties across every dimension.
Trend Analysis
5-year sparklines for health outcomes, SDOH measures, and mortality rates so you can see where the county is heading, not just where it is today.
PDF Report Export
Generate a consultant-ready environmental health briefing for Williams County with methodology citations — drops straight into a CHNA or grant application.
Nearby Counties
Counties bordering Williams County
Adjacent county profiles with their own scores and environmental health data. Source: Census Bureau County Adjacency File.
Steuben County
Indiana
44
Moderate
Hillsdale County
Michigan
43
Moderate
DeKalb County
Indiana
40
Below Avg
Defiance County
Ohio
38
Below Avg
Henry County
Ohio
35
Below Avg
Fulton County
Ohio
33
Below Avg
Data sources: EPA AQS, EPA EJSCREEN, EPA TRI, CDC PLACES, CDC WONDER, CMS NPPES, Census ACS, County Health Rankings, NOAA ACIS, NCI State Cancer Profiles. Every score on this page is derived from publicly available federal data, fused by the Banana Analytics pipeline.
Methodology: See the full scoring methodology (v1.2.0) for weights, sensitivity analysis, and validation against county-level mortality data.
Last refreshed: April 17, 2026