Marin County Health Data
Marin County, California
CDC County Health RankingsHealth 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
Poor / Fair Health
10.6%
State avg 18.9%
National avg 19.6%
Healthcare Access
Primary Care Physicians
40.6
per 100K residentsCDC: 149.1 per 100K
Dentists
8.1
per 100K residents
Nurse Practitioners & PAs
9.3
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 Marin County differs most from state and national norms.
Most prevalent chronic conditions
| Measure | Marin | State avg | National avg | Vs state |
|---|---|---|---|---|
| Obesity | 21.3% | 30.0% | 37.6% | 8.7 pts better than state |
| Diabetes | 7.5% | 10.3% | 11.2% | 2.8 pts better than state |
| High Blood Pressure | 25.2% | 29.3% | 33.5% | 4.1 pts better than state |
| Depression | 22.1% | 22.7% | 24.1% | 0.6 pts better than state |
Health-risk behaviors
| Measure | Marin | State avg | National avg | Vs state |
|---|---|---|---|---|
| Current Cigarette Smoking | 8.4% | 12.6% | 16.3% | 4.2 pts better than state |
| Binge Drinking | 18.9% | 17.6% | 17.8% | 1.3 pts worse than state |
| Physical Inactivity | 16.6% | 24.1% | 27.0% | 7.5 pts better than state |
Preventive-care uptake
| Measure | Marin | State avg | National avg | Vs state |
|---|---|---|---|---|
| Annual Routine Checkup | 69.3% | 70.0% | 74.9% | 0.7 pts worse than state |
| Dental Visit (past year) | 75.0% | 61.3% | 57.3% | 13.7 pts better than state |
| Mammography (women 50–74) | 77.4% | 74.3% | 73.3% | 3.1 pts better than state |
Daily-life impact
| Measure | Marin | State avg | National avg | Vs state |
|---|---|---|---|---|
| Frequent Mental Distress | 15.8% | 18.3% | 18.6% | 2.5 pts better than state |
| Short Sleep Duration | 30.0% | 35.3% | 37.3% | 5.3 pts better than state |
These rates are part of the CDC PLACES survey. Compare Marin County nationally on dental visit (past year).
Source: CDC PLACES, 2023 release · age-adjusted prevalence (%). Confidence intervals are available on individual rankings pages.
Data Story
Marin County Mental Health Provider Access Reaches Four Times National Median
Health data brief for Marin County, California.
Marin County mental health provider availability stands at 958 per 100,000 residents. This is nearly four times the national median of 250 providers. Life expectancy in the county is 84.3 years, which is significantly higher than the California average of 78.5 and the national average of 77. The uninsured rate is 5.1%, lower than the state average of 7.2% and the national average of 10%. Only 10.6% of residents report poor or fair health, well below the national average of 17%. Primary care access is also high, with 149 providers per 100,000, more than double the national median of 70. See the CDC County Health Rankings methodology.
Sources
- CDC County Health Rankings v2
- HHS NPPES
Get Care in Marin 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 →Novato Community Hospital
ERMarinhealth Medical Center
ERKaiser Foundation Hospital
EReHealth Insurance
Compare health insurance plans from top carriers for Marin County residents.
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Frequently Asked Questions
What is the health ranking of Marin County, CA?
What is the life expectancy in Marin County?
How does Marin County health compare to the California average?
What health factors affect Marin County?
Is Marin County a healthy place to live?
Why is Marin 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.