King County Health Data
King County, Washington
CDC County Health RankingsHealth Score
95/100
Excellent
Life Expectancy
81.1 yr
Uninsured Rate
5.7%
Health Statistics
Life Expectancy
81.1 yr
State avg 78.1 yr
National avg 77.5 yr
Uninsured Rate
5.7%
State avg 9.0%
National avg 9%
Primary Care Providers
119
per 100K population
National avg 82
Mental Health Providers
638
per 100K population
National avg 350
Poor / Fair Health
11.6%
State avg 17.5%
National avg 19.6%
Healthcare Access
Primary Care Physicians
15.4
per 100K residentsCDC: 119.1 per 100K
Dentists
5.4
per 100K residents
Nurse Practitioners & PAs
6.3
per 100K residents
Provider counts from CMS NPPES (National Provider Identifier Registry). Data current as of 2026.
Chronic Disease & Behavioral Health
These prevalence estimates come from the CDC PLACES program (Population-Level Analysis and Community Estimates), which combines BRFSS survey data with statistical modeling to produce county-level rates. Estimates are age-adjusted to enable fair comparisons across counties with different age distributions. Use them to spot where King County differs most from state and national norms.
Most prevalent chronic conditions
| Measure | King | State avg | National avg | Vs state |
|---|---|---|---|---|
| Obesity | 22.4% | 34.2% | 37.6% | 11.8 pts better than state |
| Diabetes | 7.2% | 9.2% | 11.2% | 2.0 pts better than state |
| High Blood Pressure | 26.2% | 29.1% | 33.5% | 2.9 pts better than state |
| Depression | 23.4% | 26.2% | 24.1% | 2.8 pts better than state |
Health-risk behaviors
| Measure | King | State avg | National avg | Vs state |
|---|---|---|---|---|
| Current Cigarette Smoking | 7.1% | 12.4% | 16.3% | 5.3 pts better than state |
| Binge Drinking | 17.2% | 18.1% | 17.8% | 0.9 pts better than state |
| Physical Inactivity | 13.8% | 19.6% | 27.0% | 5.8 pts better than state |
Preventive-care uptake
| Measure | King | State avg | National avg | Vs state |
|---|---|---|---|---|
| Annual Routine Checkup | 69.9% | 68.1% | 74.9% | 1.8 pts better than state |
| Dental Visit (past year) | 71.9% | 62.5% | 57.3% | 9.4 pts better than state |
| Mammography (women 50–74) | 75.4% | 70.6% | 73.3% | 4.8 pts better than state |
Daily-life impact
| Measure | King | State avg | National avg | Vs state |
|---|---|---|---|---|
| Frequent Mental Distress | 14.7% | 18.3% | 18.6% | 3.6 pts better than state |
| Short Sleep Duration | 29.1% | 32.8% | 37.3% | 3.7 pts better than state |
These rates are part of the CDC PLACES survey. Compare King County nationally on obesity.
Source: CDC PLACES, 2023 release · age-adjusted prevalence (%). Confidence intervals are available on individual rankings pages.
Data Story
King County Primary Care Provider Ratio Reaches 119 Per 100K
Health data brief for King County, Washington.
King County features 119 primary care providers per 100,000 residents, a figure notably higher than the national median of 70 per 100,000. For mental health care, the county has 638 providers per 100,000 residents, more than double the national median of 250. Life expectancy in the county is 81.1 years, surpassing the Washington state average of 78.1 years and the national average of 77 years. Additionally, the uninsured rate is 5.7%, which is lower than the 9.0% state average and the 10% national average. Roughly 11.6% of residents report poor or fair health, compared to the 17% national average. Explore state-level data.
Sources
- CDC County Health Rankings v2
- HHS NPPES
Get Care in King County, Washington
Direct contact information for hospitals and community health resources serving this county. Hospital quality ratings come from CMS Care Compare — the federal program that measures hospital performance on safety, patient experience, and outcomes.
Hospitals near you
Compare all on Medicare.gov →Virginia Mason Medical Center
EREvergreenhealth Medical Center
ERUniversity of Washington Medical Ctr
EReHealth Insurance
Compare health insurance plans from top carriers for King County residents.
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Frequently Asked Questions
What is the health ranking of King County, WA?
What is the life expectancy in King County?
How does King County health compare to the Washington average?
What health factors affect King County?
Is King County a healthy place to live?
Why is King County healthier than the Washington average?
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Data Sources
Health data sourced from the County Health Rankings & Roadmaps, a collaboration between the Robert Wood Johnson Foundation and the University of Wisconsin Population Health Institute.
Data is informational only. Not medical or health advice. Coverage varies by county and reporting year.