Lake County Health Data
Lake County, Illinois
County Health Rankings & Roadmaps 2025Health Score
77/100
Excellent
Life Expectancy
80.4 yr
Uninsured Rate
7.4%
Health Statistics
Life Expectancy
80.4 yr
State avg 76.0 yr
National avg 77.5 yr
Uninsured Rate
7.4%
State avg 6.3%
National avg 9%
Primary Care Providers
106
per 100K population
National avg 82
Mental Health Providers
376
per 100K population
National avg 350
Poor / Fair Health
16.9%
State avg 17.9%
National avg 19.6%
Healthcare Access
Primary Care Physicians
18.3
per 100K residentsCDC: 106.4 per 100K
Dentists
4.6
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 Lake County differs most from state and national norms.
Most prevalent chronic conditions
| Measure | Lake | State avg | National avg | Vs state |
|---|---|---|---|---|
| Obesity | 32.9% | 38.7% | 37.6% | 5.8 pts better than state |
| Diabetes | 9.8% | 10.2% | 11.2% | near state average |
| High Blood Pressure | 29.4% | 32.0% | 33.5% | 2.6 pts better than state |
| Depression | 18.5% | 23.3% | 24.1% | 4.8 pts better than state |
Health-risk behaviors
| Measure | Lake | State avg | National avg | Vs state |
|---|---|---|---|---|
| Current Cigarette Smoking | 10.5% | 15.5% | 16.3% | 5.0 pts better than state |
| Binge Drinking | 17.0% | 20.1% | 17.8% | 3.1 pts better than state |
| Physical Inactivity | 19.4% | 23.4% | 27.0% | 4.0 pts better than state |
Preventive-care uptake
| Measure | Lake | State avg | National avg | Vs state |
|---|---|---|---|---|
| Annual Routine Checkup | 75.1% | 75.6% | 74.9% | near state average |
| Dental Visit (past year) | 63.6% | 60.5% | 57.3% | 3.1 pts better than state |
| Mammography (women 50–74) | 75.1% | 70.6% | 73.3% | 4.5 pts better than state |
Daily-life impact
| Measure | Lake | State avg | National avg | Vs state |
|---|---|---|---|---|
| Frequent Mental Distress | 14.7% | 18.6% | 18.6% | 3.9 pts better than state |
| Short Sleep Duration | 33.8% | 37.2% | 37.3% | 3.4 pts better than state |
These rates are part of the CDC PLACES survey. Compare Lake County nationally on obesity.
Source: CDC PLACES 2022–2023 measure years · age-adjusted prevalence (%). Confidence intervals are available on individual rankings pages.
Source vintage: CDC PLACES 2022–2023 measure years.
Data Story
Lake County Life Expectancy Exceeds State and National Averages
Health data brief for Lake County, Illinois.
By HealthByCounty Editorial Team
Page revised
Lake County residents have a life expectancy of 80.4 years, which is higher than the Illinois state average of 76.0 years and the national average of approximately 77 years. This longevity data sits alongside other metrics such as a 7.4% uninsured rate, compared to the state's 6.3% and the national 10% benchmark. In terms of professional access, the county has 106 primary care providers and 376 mental health providers per 100,000 residents, both of which are higher than national medians of 70 and 250 respectively. The data also notes that 16.9% of residents report being in poor or fair health, aligning closely with the national figure of 17%. These statistics provide a snapshot of the health landscape in the county based on federal and state records. See the 2025 County Health Rankings & Roadmaps release methodology.
Get Care in Lake County, Illinois
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 →Northwestern Lake Forest Hospital
ERAdvocate Good Shepherd Hospital
ERMidwestern Region Med Center, Inc
EReHealth Insurance
Compare health insurance plans from top carriers for Lake County residents.
Compare Plans →HealthMarkets
Licensed agents for health, Medicare, and supplemental insurance in Illinois.
Get a Quote →Independent third-party services
Frequently Asked Questions
What is the health ranking of Lake County, IL?
What is the life expectancy in Lake County?
How does Lake County health compare to the Illinois average?
What health factors affect Lake County?
Is Lake County a healthy place to live?
Why is Lake County healthier than the Illinois average?
Counties with Similar Health Profile
By HealthByCounty Editorial Team
Page revised
Data Sources
Health data sourced from the County Health Rankings & Roadmaps 2025, published by the University of Wisconsin Population Health Institute with support from the Robert Wood Johnson Foundation .
Data is informational only. Not medical or health advice. Coverage varies by county and reporting year.