San Juan County Health Data

San Juan County, Washington

CDC County Health Rankings

Health Score

80/100

Excellent

Life Expectancy

87.4 yr

Uninsured Rate

9.9%

Health Statistics

Life Expectancy

87.4 yr

State avg 78.1 yr

National avg 77.5 yr

Uninsured Rate

9.9%

State avg 9.0%

National avg 9%

Primary Care Providers

65

per 100K population

National avg 82

Mental Health Providers

447

per 100K population

National avg 350

Poor / Fair Health

13.5%

State avg 17.5%

National avg 19.6%

Healthcare Access

Primary Care Physicians

32.8

per 100K residentsCDC: 64.7 per 100K

Dentists

10.9

per 100K residents

Nurse Practitioners & PAs

5.5

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 San Juan County differs most from state and national norms.

Most prevalent chronic conditions

MeasureSan JuanState avgNational avgVs state
Obesity24.8%34.2%37.6%9.4 pts better than state
Diabetes7.0%9.2%11.2%2.2 pts better than state
High Blood Pressure25.6%29.1%33.5%3.5 pts better than state
Depression25.5%26.2%24.1%0.7 pts better than state

Health-risk behaviors

MeasureSan JuanState avgNational avgVs state
Current Cigarette Smoking9.5%12.4%16.3%2.9 pts better than state
Binge Drinking19.5%18.1%17.8%1.4 pts worse than state
Physical Inactivity13.6%19.6%27.0%6.0 pts better than state

Preventive-care uptake

MeasureSan JuanState avgNational avgVs state
Annual Routine Checkup65.4%68.1%74.9%2.7 pts worse than state
Dental Visit (past year)68.2%62.5%57.3%5.7 pts better than state
Mammography (women 50–74)71.7%70.6%73.3%1.1 pts better than state

Daily-life impact

MeasureSan JuanState avgNational avgVs state
Frequent Mental Distress16.3%18.3%18.6%2.0 pts better than state
Short Sleep Duration28.9%32.8%37.3%3.9 pts better than state

These rates are part of the CDC PLACES survey. Compare San Juan County nationally on obesity.

Source: CDC PLACES, 2023 release · age-adjusted prevalence (%). Confidence intervals are available on individual rankings pages.

Data Story

San Juan County Life Expectancy Reaches 87.4 Years

Health data brief for San Juan County, Washington.

By Logan Johnson, Founder & Data EditorPublished Reviewed by Logan Johnson, Founder & Data Editor
Lead metric:Life expectancy

Life expectancy in San Juan County is 87.4 years, significantly longer than the Washington state average of 78.1 years and the national average of 77 years. The county’s uninsured rate is 9.9%, which is higher than the state average of 9.0% but remains lower than the national average of 10%. About 13.5% of adults report poor or fair health, a lower percentage than the national average of 17%. Access to care includes 65 primary care providers per 100,000 residents, which is lower than the national median of 70. There are 447 mental health providers per 100,000, which is higher than the national median of 250. Explore state-level data.

Get Care in San Juan 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.

Peacehealth Peace Island Medical Center

ER
Not rated by CMS
(360) 378-2141
1117 Spring Street, Friday Harbor, WA 98250
Critical Access HospitalsVoluntary non-profit - Private

Sources: Hospital data: CMS Care Compare. Quality ratings: Centers for Medicare & Medicaid Services. Community health center directory: HRSA. Last reviewed 2026-05-14.

Information is for general guidance only and is not medical advice. Always call ahead to confirm services, hours, and insurance accepted. In a medical emergency, dial 911.

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Frequently Asked Questions

What is the health ranking of San Juan County, WA?
San Juan County has a health score of 80/100, rated "Excellent." It ranks #9 out of 39 counties in Washington (1 = healthiest). The score is based on CDC County Health Rankings data, combining life expectancy, uninsured rates, provider access, and behavioral health indicators.
What is the life expectancy in San Juan County?
Life expectancy in San Juan County is 87.4 years. The Washington state average is 78.1 years, making San Juan County above the state average.
How does San Juan County health compare to the Washington average?
San Juan County's health score of 80/100 is above the Washington average of 65/100. Life expectancy is 87.4 years vs. the state average of 78.1 years. The uninsured rate is 9.9% vs. 9.0% statewide.
What health factors affect San Juan County?
Key health factors for San Juan County include: life expectancy (87.4 years), uninsured rate (9.9%), and primary care physician access (65:1 (population to primary care physicians)). Mental health provider access is 447:1 population-to-provider ratio. These metrics are sourced from the CDC County Health Rankings & Roadmaps program.
Is San Juan County a healthy place to live?
With a health score of 80/100 ("Excellent"), San Juan County is one of the healthier counties in Washington. Residents have a life expectancy of 87.4 years. 9.9% of adults lack health insurance. Factors like healthcare access, environmental quality, and socioeconomic conditions all contribute to these outcomes.
Why is San Juan County healthier than the Washington average?
San Juan County's health score of 80/100 exceeds the Washington average of 65/100. Higher health scores often correlate with better access to healthcare providers, lower uninsured rates, higher median incomes, and environmental factors. San Juan County has better primary care access (65:1 ratio) than the state average (66:1).

Counties with Similar Health Profile

By Logan Johnson, Founder & Data EditorUpdated Reviewed by Logan Johnson, Founder & Data Editor

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.