Lake County Health Data
Lake County, California
CDC County Health RankingsHealth Score
51/100
Below Avg
Life Expectancy
74.1 yr
Uninsured Rate
7.5%
Health Statistics
Life Expectancy
74.1 yr
State avg 78.5 yr
National avg 77.5 yr
Uninsured Rate
7.5%
State avg 7.2%
National avg 9%
Primary Care Providers
42
per 100K population
National avg 82
Mental Health Providers
390
per 100K population
National avg 350
Poor / Fair Health
19.2%
State avg 18.9%
National avg 19.6%
Healthcare Access
Primary Care Physicians
13.2
per 100K residentsCDC: 42.2 per 100K
Dentists
4.4
per 100K residents
Nurse Practitioners & PAs
16.1
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 Lake County differs most from state and national norms.
Most prevalent chronic conditions
| Measure | Lake | State avg | National avg | Vs state |
|---|---|---|---|---|
| Obesity | 32.8% | 30.0% | 37.6% | 2.8 pts worse than state |
| Diabetes | 10.7% | 10.3% | 11.2% | near state average |
| High Blood Pressure | 32.0% | 29.3% | 33.5% | 2.7 pts worse than state |
| Depression | 25.6% | 22.7% | 24.1% | 2.9 pts worse than state |
Health-risk behaviors
| Measure | Lake | State avg | National avg | Vs state |
|---|---|---|---|---|
| Current Cigarette Smoking | 15.6% | 12.6% | 16.3% | 3.0 pts worse than state |
| Binge Drinking | 18.0% | 17.6% | 17.8% | near state average |
| Physical Inactivity | 25.9% | 24.1% | 27.0% | 1.8 pts worse than state |
Preventive-care uptake
| Measure | Lake | State avg | National avg | Vs state |
|---|---|---|---|---|
| Annual Routine Checkup | 69.5% | 70.0% | 74.9% | near state average |
| Dental Visit (past year) | 59.7% | 61.3% | 57.3% | 1.6 pts worse than state |
| Mammography (women 50–74) | 72.1% | 74.3% | 73.3% | 2.2 pts worse than state |
Daily-life impact
| Measure | Lake | State avg | National avg | Vs state |
|---|---|---|---|---|
| Frequent Mental Distress | 20.4% | 18.3% | 18.6% | 2.1 pts worse than state |
| Short Sleep Duration | 35.4% | 35.3% | 37.3% | near state average |
These rates are part of the CDC PLACES survey. Compare Lake County nationally on current cigarette smoking.
Source: CDC PLACES, 2023 release · age-adjusted prevalence (%). Confidence intervals are available on individual rankings pages.
Data Story
Lake County Life Expectancy Trails National and State Averages
Health data brief for Lake County, California.
Lake County life expectancy sits at 74.1 years. This is nearly three years shorter than the national average of approximately 77 years and over four years shorter than the California average of 78.5 years. Data from the CDC County Health Rankings also indicates that 19.2% of residents report being in poor or fair health, which is higher than the national baseline of 17%. The county’s uninsured rate is 7.5%, which is close to the state figure of 7.2%. In terms of medical access, there are 42 primary care providers per 100,000 residents, a lower concentration than the national median of 70. However, mental health provider availability is higher, with 390 professionals per 100,000 compared to the national median of 250. See the CDC County Health Rankings methodology.
Sources
- CDC County Health Rankings v2
- HHS NPPES
Get Care in Lake 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 →Sutter Lakeside Hospital
ERAdventist Health Clearlake
EReHealth Insurance
Compare health insurance plans from top carriers for Lake County residents.
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Frequently Asked Questions
What is the health ranking of Lake County, CA?
What is the life expectancy in Lake County?
How does Lake County health compare to the California average?
What health factors affect Lake County?
Is Lake County a healthy place to live?
What are the biggest health challenges in Lake County?
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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.