County profile
Barnwell County, South Carolina
Environmental & community health profile. Fused from EPA, CDC, CMS, and Census data into a single free view.
Opportunity Score
out of 100
Env
24
Disease
72
Provider
28
SDOH
75
Compound Signal Status
Moderate compound signal detected
Barnwell County, South Carolina shows a moderate compound signal: disease burden (72nd percentile) and SDOH stress (75th percentile) are both elevated. Social determinants and population health burden are deeply interrelated — poverty, food insecurity, and housing instability both cause and compound chronic disease prevalence. Interventions here require upstream community health investments alongside clinical care.
Environmental Factors
Air, water, and exposure indicators
Top environmental indicators for Barnwell County with state and national benchmarks. Full profile covers 40+ metrics on the platform.
| Indicator | Barnwell County | SC avg | US avg |
|---|---|---|---|
PM2.5 (annual mean) EPA AQS / EJSCREEN | 8.2 µg/m³ ▲ +7.8% vs SC | 7.6 | 7.4 |
Ozone EPA AQS / EJSCREEN | 50.9 ppb ▼ -2.9% vs SC | 52.5 | 57.1 |
Traffic Proximity EJSCREEN | 7,471 index ▼ -96% vs SC | 188,658 | 291,320 |
Days Above 95°F NOAA ACIS | 32 days/yr ▲ +26% vs SC | 25 | 25 |
Superfund Proximity EPA EJSCREEN | 0.68 score ▲ +232% vs SC | 0.20 | 0.16 |
Drinking Water Violations EPA EJSCREEN | 0.00 score ▼ -100% vs SC | 0.48 | 3.39 |
Health Outcomes
Chronic disease prevalence
CDC PLACES model-based prevalence estimates for adults in Barnwell County. Full profile covers 15+ health outcomes plus mortality on the platform.
| Condition | Barnwell County | SC avg | US avg |
|---|---|---|---|
Current Asthma % of adults with current asthma | 11.0% ▲ +8.5% vs SC | 10.1% | 10.6% |
COPD % of adults with diagnosed COPD | 11.6% ▲ +29% vs SC | 9.0% | 8.5% |
Diabetes % of adults with diagnosed diabetes | 19.4% ▲ +18% vs SC | 16.5% | 13.6% |
Coronary Heart Disease % of adults with CHD | 9.2% ▲ +17% vs SC | 7.9% | 7.8% |
Depression % of adults ever diagnosed with depression | 22.4% +1.6% vs SC | 22.1% | 22.9% |
Frequent Mental Distress % of adults with 14+ poor mental health days/month | 18.9% ▲ +10% vs SC | 17.1% | 17.1% |
On the full platform
What else is available for Barnwell 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 Barnwell County ranks for respiratory, oncology, cardiovascular, renal, endocrine, and behavioral health service line opportunity.
Multi-County Comparison
Compare Barnwell 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 Barnwell County with methodology citations — drops straight into a CHNA or grant application.
Nearby Counties
Counties bordering Barnwell County
Adjacent county profiles with their own scores and environmental health data. Source: Census Bureau County Adjacency File.
Burke County
Georgia
57
Elevated
Allendale County
South Carolina
54
Moderate
Bamberg County
South Carolina
50
Moderate
Orangeburg County
South Carolina
45
Moderate
Aiken County
South Carolina
42
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