County profile
King County, Washington
Environmental & community health profile. Fused from EPA, CDC, CMS, and Census data into a single free view.
Opportunity Score
out of 100
Env
19
Disease
8
Provider
30
SDOH
23
Compound Signal Status
No compound signal at the 70th-percentile threshold
King County, Washington does not show a compound signal. All four health system dimensions score below the 30th percentile nationally, indicating relatively low environmental risk, disease burden, provider access issues, and social vulnerability compared to most US counties.
Environmental Factors
Air, water, and exposure indicators
Top environmental indicators for King County with state and national benchmarks. Full profile covers 40+ metrics on the platform.
| Indicator | King County | WA avg | US avg |
|---|---|---|---|
PM2.5 (annual mean) EPA AQS / EJSCREEN | 9.1 µg/m³ ▼ -5.0% vs WA | 9.6 | 7.4 |
Ozone EPA AQS / EJSCREEN | 51.8 ppb +1.8% vs WA | 50.9 | 57.1 |
Traffic Proximity EJSCREEN | 2,216,969 index ▲ +497% vs WA | 371,415 | 291,320 |
Superfund Proximity EPA EJSCREEN | 0.89 score ▲ +376% vs WA | 0.19 | 0.16 |
Drinking Water Violations EPA EJSCREEN | 0.09 score ▼ -96% vs WA | 2.38 | 3.39 |
Health Outcomes
Chronic disease prevalence
CDC PLACES model-based prevalence estimates for adults in King County. Full profile covers 15+ health outcomes plus mortality on the platform.
| Condition | King County | WA avg | US avg |
|---|---|---|---|
Current Asthma % of adults with current asthma | 9.7% ▼ -13% vs WA | 11.1% | 10.6% |
COPD % of adults with diagnosed COPD | 3.4% ▼ -50% vs WA | 6.8% | 8.5% |
Diabetes % of adults with diagnosed diabetes | 7.3% ▼ -36% vs WA | 11.4% | 13.6% |
Coronary Heart Disease % of adults with CHD | 4.0% ▼ -44% vs WA | 7.1% | 7.8% |
Depression % of adults ever diagnosed with depression | 23.5% ▼ -5.7% vs WA | 24.9% | 22.9% |
Frequent Mental Distress % of adults with 14+ poor mental health days/month | 14.7% ▼ -12% vs WA | 16.7% | 17.1% |
On the full platform
What else is available for King 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 King County ranks for respiratory, oncology, cardiovascular, renal, endocrine, and behavioral health service line opportunity.
Multi-County Comparison
Compare King 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 King County with methodology citations — drops straight into a CHNA or grant application.
Nearby Counties
Counties bordering King County
Adjacent county profiles with their own scores and environmental health data. Source: Census Bureau County Adjacency File.
Yakima County
Washington
35
Below Avg
Kittitas County
Washington
26
Below Avg
Pierce County
Washington
24
Low
Chelan County
Washington
23
Low
Kitsap County
Washington
22
Low
Snohomish County
Washington
20
Low
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