Marin County Health Data

Marin County, California

Health Score

98/100

Excellent

Life Expectancy

84.3 yr

Uninsured Rate

5.1%

Health Statistics

Life Expectancy

84.3 yr

State avg 78.5 yr

National avg 77.5 yr

Uninsured Rate

5.1%

State avg 7.2%

National avg 9%

Primary Care Providers

149

per 100K population

National avg 82

Mental Health Providers

958

per 100K population

National avg 350

Data Story

About Health in Marin County, California

Marin leads nation in life expectancy

Marin County residents live an average of 84.3 years, more than 5 years longer than the U.S. average of 78.9 years. Just 10.6% report poor or fair health, the lowest rate across these eight counties and a fraction of national rates.

Far exceeds California health benchmarks

At 84.3 years, Marin County's life expectancy is 5.8 years above California's state average of 78.5 years. The county's 5.1% uninsured rate is also the lowest in the state, indicating robust healthcare access and uptake.

Exceptional provider density sets Marin apart

Marin County has 149 primary care providers per 100,000 residents—more than double Mendocino's 78 and triple Lassen's 27. Its 958 mental health providers per 100,000 are unmatched among California counties, ensuring residents find specialized care within their communities.

Best-in-class coverage and access

Marin's 5.1% uninsured rate means 95% of residents have health coverage, enabling consistent preventive and routine care access. Combined with 149 primary care providers per 100,000, Marin residents experience minimal barriers to comprehensive healthcare.

Maintain coverage for lasting health

While Marin has the state's lowest uninsured rate, ensuring continuous coverage protects your health and finances. Check your insurance annually at Covered California to confirm you have the right plan for your needs.

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Frequently Asked Questions

What is the health ranking of Marin County, CA?
Marin County has a health score of 98/100, rated "Excellent." It ranks #1 out of 58 counties in California (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 Marin County?
Life expectancy in Marin County is 84.3 years. The California state average is 78.5 years, making Marin County above the state average.
How does Marin County health compare to the California average?
Marin County's health score of 98/100 is above the California average of 67/100. Life expectancy is 84.3 years vs. the state average of 78.5 years. The uninsured rate is 5.1% vs. 7.2% statewide.
What health factors affect Marin County?
Key health factors for Marin County include: life expectancy (84.3 years), uninsured rate (5.1%), and primary care physician access (149:1 (population to primary care physicians)). Mental health provider access is 958:1 population-to-provider ratio. These metrics are sourced from the CDC County Health Rankings & Roadmaps program.
Is Marin County a healthy place to live?
With a health score of 98/100 ("Excellent"), Marin County is one of the healthier counties in California. Residents have a life expectancy of 84.3 years. 5.1% of adults lack health insurance. Factors like healthcare access, environmental quality, and socioeconomic conditions all contribute to these outcomes.
Why is Marin County healthier than the California average?
Marin County's health score of 98/100 exceeds the California average of 67/100. Higher health scores often correlate with better access to healthcare providers, lower uninsured rates, higher median incomes, and environmental factors.

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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.