San Mateo County Health Data
San Mateo County, California
CDC County Health RankingsHealth 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
Poor / Fair Health
13.2%
State avg 18.9%
National avg 19.6%
Healthcare Access
Primary Care Physicians
11.1
per 100K residentsCDC: 109.0 per 100K
Dentists
7.1
per 100K residents
Nurse Practitioners & PAs
4.6
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 Mateo County differs most from state and national norms.
Most prevalent chronic conditions
| Measure | San Mateo | State avg | National avg | Vs state |
|---|---|---|---|---|
| Obesity | 22.0% | 30.0% | 37.6% | 8.0 pts better than state |
| Diabetes | 9.0% | 10.3% | 11.2% | 1.3 pts better than state |
| High Blood Pressure | 25.7% | 29.3% | 33.5% | 3.6 pts better than state |
| Depression | 18.7% | 22.7% | 24.1% | 4.0 pts better than state |
Health-risk behaviors
| Measure | San Mateo | State avg | National avg | Vs state |
|---|---|---|---|---|
| Current Cigarette Smoking | 8.0% | 12.6% | 16.3% | 4.6 pts better than state |
| Binge Drinking | 16.0% | 17.6% | 17.8% | 1.6 pts better than state |
| Physical Inactivity | 19.3% | 24.1% | 27.0% | 4.8 pts better than state |
Preventive-care uptake
| Measure | San Mateo | State avg | National avg | Vs state |
|---|---|---|---|---|
| Annual Routine Checkup | 69.2% | 70.0% | 74.9% | 0.8 pts worse than state |
| Dental Visit (past year) | 67.8% | 61.3% | 57.3% | 6.5 pts better than state |
| Mammography (women 50–74) | 79.1% | 74.3% | 73.3% | 4.8 pts better than state |
Daily-life impact
| Measure | San Mateo | State avg | National avg | Vs state |
|---|---|---|---|---|
| Frequent Mental Distress | 13.9% | 18.3% | 18.6% | 4.4 pts better than state |
| Short Sleep Duration | 28.7% | 35.3% | 37.3% | 6.6 pts better than state |
These rates are part of the CDC PLACES survey. Compare San Mateo County nationally on obesity.
Source: CDC PLACES, 2023 release · age-adjusted prevalence (%). Confidence intervals are available on individual rankings pages.
Data Story
San Mateo County Life Expectancy Exceeds State and National Norms
Health data brief for San Mateo County, California.
The life expectancy for residents in San Mateo County is 84.1 years. This is 5.6 years longer than the California state average of 78.5 years and more than 7 years longer than the national mark of 77 years. When reporting their health status, 13.2% of residents describe their health as poor or fair, a smaller proportion than the national figure of 17%. The county’s uninsured rate stands at 4.6%, which is lower than the California state rate of 7.2% and the national rate of 10%. Access to clinical care includes 109 primary care providers per 100,000 residents, exceeding the national median of 70 per 100,000. There are also 485 mental health providers for every 100,000 people, roughly double the national median of 250. See the CDC County Health Rankings methodology.
Sources
- CDC County Health Rankings v2
- HHS NPPES
Get Care in San Mateo County, California
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 →Peninsula Medical Center
ERSequoia Hospital
ERKaiser Foundation Hospital - South San Francisco
EReHealth Insurance
Compare health insurance plans from top carriers for San Mateo County residents.
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Frequently Asked Questions
What is the health ranking of San Mateo County, CA?
What is the life expectancy in San Mateo County?
How does San Mateo County health compare to the California average?
What health factors affect San Mateo County?
Is San Mateo County a healthy place to live?
Why is San Mateo County healthier than the California 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.