San Mateo County Health Data
San Mateo County, California
Health Score
97/100
Excellent
Life Expectancy
84.1 yr
Uninsured Rate
4.6%
Health Statistics
Life Expectancy
84.1 yr
State avg 78.5 yr
National avg 77.5 yr
Uninsured Rate
4.6%
State avg 7.2%
National avg 9%
Primary Care Providers
109
per 100K population
National avg 82
Mental Health Providers
485
per 100K population
National avg 350
Data Story
About Health in San Mateo County, California
San Mateo leads on longevity
San Mateo residents live to 84.1 years on average, nearly 6 years longer than the U.S. average of 78.3 years. Only 13.2% report poor or fair health, well below the national rate of 18%, signaling strong overall wellness in the county.
California's healthiest counties
San Mateo's 84.1-year life expectancy ranks among the top in California, exceeding the state average of 78.5 years by 5.6 years. The county consistently outperforms state benchmarks across major health indicators.
Clear health edge over peers
San Mateo residents live 2.3 years longer than Santa Clara County (83.8 years) and 2.5 years longer than Santa Cruz County (81.8 years). With a 13.2% poor/fair health rate, San Mateo also reports significantly better self-reported health than neighboring Santa Barbara County at 16.7%.
Strong providers, low uninsured
Just 4.6% of San Mateo residents lack health insurance, well below California's 7.2% state average. The county supports 109 primary care providers and 485 mental health providers per 100,000 residents, ensuring robust access to care.
Maintain coverage you can trust
Even with low uninsured rates, coverage gaps can emerge. Visit coveredca.com to explore plans, confirm your current coverage is optimal, or enroll if you've experienced a life change qualifying you for immediate coverage.
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Frequently Asked Questions
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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.