County profile
St. Clair County, Missouri
Environmental & community health profile. Fused from EPA, CDC, CMS, and Census data into a single free view.
Opportunity Score
out of 100
Env
25
Disease
85
Provider
21
SDOH
68
Compound Signal Status
No compound signal at the 70th-percentile threshold
St. Clair County, Missouri does not show a compound signal, but its disease burden score of 85 (85th 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 St. Clair County with state and national benchmarks. Full profile covers 40+ metrics on the platform.
| Indicator | St. Clair County | MO avg | US avg |
|---|---|---|---|
PM2.5 (annual mean) EPA AQS / EJSCREEN | 6.8 µg/m³ ▼ -8.9% vs MO | 7.5 | 7.4 |
Ozone EPA AQS / EJSCREEN | 54.9 ppb ▼ -2.6% vs MO | 56.4 | 57.1 |
Traffic Proximity EJSCREEN | 18,131 index ▼ -89% vs MO | 159,297 | 291,320 |
Days Above 95°F NOAA ACIS | 7 days/yr ▼ -34% vs MO | 11 | 25 |
Superfund Proximity EPA EJSCREEN | 0.00 score ▼ -100% vs MO | 0.66 | 0.16 |
Drinking Water Violations EPA EJSCREEN | 0.00 score ▼ -100% vs MO | 0.46 | 3.39 |
Health Outcomes
Chronic disease prevalence
CDC PLACES model-based prevalence estimates for adults in St. Clair County. Full profile covers 15+ health outcomes plus mortality on the platform.
| Condition | St. Clair County | MO avg | US avg |
|---|---|---|---|
Current Asthma % of adults with current asthma | 10.8% +0.4% vs MO | 10.8% | 10.6% |
COPD % of adults with diagnosed COPD | 12.5% ▲ +23% vs MO | 10.2% | 8.5% |
Diabetes % of adults with diagnosed diabetes | 16.2% ▲ +19% vs MO | 13.6% | 13.6% |
Coronary Heart Disease % of adults with CHD | 10.5% ▲ +26% vs MO | 8.3% | 7.8% |
Depression % of adults ever diagnosed with depression | 25.2% +0.5% vs MO | 25.1% | 22.9% |
Frequent Mental Distress % of adults with 14+ poor mental health days/month | 17.9% -1.3% vs MO | 18.1% | 17.1% |
On the full platform
What else is available for St. Clair 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 St. Clair County ranks for respiratory, oncology, cardiovascular, renal, endocrine, and behavioral health service line opportunity.
Multi-County Comparison
Compare St. Clair 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 St. Clair County with methodology citations — drops straight into a CHNA or grant application.
Nearby Counties
Counties bordering St. Clair County
Adjacent county profiles with their own scores and environmental health data. Source: Census Bureau County Adjacency File.
Hickory County
Missouri
59
Elevated
Cedar County
Missouri
58
Elevated
Benton County
Missouri
56
Elevated
Henry County
Missouri
51
Moderate
Vernon County
Missouri
50
Moderate
Bates County
Missouri
48
Moderate
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