Contra Costa County Health Data
Contra Costa County, California
CDC County Health RankingsHealth Score
89/100
Excellent
Life Expectancy
81.2 yr
Uninsured Rate
5.2%
Health Statistics
Life Expectancy
81.2 yr
State avg 78.5 yr
National avg 77.5 yr
Uninsured Rate
5.2%
State avg 7.2%
National avg 9%
Primary Care Providers
101
per 100K population
National avg 82
Mental Health Providers
411
per 100K population
National avg 350
Poor / Fair Health
15.5%
State avg 18.9%
National avg 19.6%
Healthcare Access
Primary Care Physicians
11.7
per 100K residentsCDC: 101.4 per 100K
Dentists
5.4
per 100K residents
Nurse Practitioners & PAs
4.2
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 Contra Costa County differs most from state and national norms.
Most prevalent chronic conditions
| Measure | Contra Costa | State avg | National avg | Vs state |
|---|---|---|---|---|
| Obesity | 27.8% | 30.0% | 37.6% | 2.2 pts better than state |
| Diabetes | 9.6% | 10.3% | 11.2% | 0.7 pts better than state |
| High Blood Pressure | 27.5% | 29.3% | 33.5% | 1.8 pts better than state |
| Depression | 19.7% | 22.7% | 24.1% | 3.0 pts better than state |
Health-risk behaviors
| Measure | Contra Costa | State avg | National avg | Vs state |
|---|---|---|---|---|
| Current Cigarette Smoking | 9.3% | 12.6% | 16.3% | 3.3 pts better than state |
| Binge Drinking | 16.5% | 17.6% | 17.8% | 1.1 pts better than state |
| Physical Inactivity | 22.7% | 24.1% | 27.0% | 1.4 pts better than state |
Preventive-care uptake
| Measure | Contra Costa | State avg | National avg | Vs state |
|---|---|---|---|---|
| Annual Routine Checkup | 70.2% | 70.0% | 74.9% | near state average |
| Dental Visit (past year) | 66.8% | 61.3% | 57.3% | 5.5 pts better than state |
| Mammography (women 50–74) | 76.0% | 74.3% | 73.3% | 1.7 pts better than state |
Daily-life impact
| Measure | Contra Costa | State avg | National avg | Vs state |
|---|---|---|---|---|
| Frequent Mental Distress | 16.2% | 18.3% | 18.6% | 2.1 pts better than state |
| Short Sleep Duration | 35.8% | 35.3% | 37.3% | near state average |
These rates are part of the CDC PLACES survey. Compare Contra Costa 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
Contra Costa County Uninsured Rate Half of National Average
Health data brief for Contra Costa County, California.
The uninsured rate in Contra Costa County is 5.2%, which is roughly half the national average of 10% and lower than the California state average of 7.2%. Life expectancy in the county is 81.2 years, which is longer than the state average of 78.5 years and the national average of 77 years. There are 101 primary care providers per 100,000 residents, exceeding the national median of 70. The ratio for mental health providers is 411 per 100,000, which is higher than the national median of 250. About 15.5% of residents report being in poor or fair health, compared to the national average of 17%. See the CDC County Health Rankings methodology.
Sources
- CDC County Health Rankings v2
- HHS NPPES
Get Care in Contra Costa 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 →Contra Costa Regional Medical Center
ERJohn Muir Medical Center - Concord Campus
ERSan Ramon Regional Medical Center
EReHealth Insurance
Compare health insurance plans from top carriers for Contra Costa County residents.
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Frequently Asked Questions
What is the health ranking of Contra Costa County, CA?
What is the life expectancy in Contra Costa County?
How does Contra Costa County health compare to the California average?
What health factors affect Contra Costa County?
Is Contra Costa County a healthy place to live?
Why is Contra Costa 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.