Lake County Health Data

Lake County, Illinois

Health 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

Data Story

About Health in Lake County, Illinois

Lake County lives longer than most

At 80.4 years, Lake County's life expectancy tops the U.S. average of 76.4 years by nearly four years. Just 16.9% of residents report poor or fair health, well below the national rate of 21%. This county is among Illinois's healthiest, reflecting strong healthcare access and economic opportunity.

Top performer in Illinois

Lake County's 80.4-year life expectancy ranks it among the healthiest counties in Illinois, comfortably above the state average of 76.0 years. Its 16.9% poor/fair health rate beats the state trend, signaling consistently good health outcomes across the community.

Healthier than surrounding areas

Lake County residents live 2.6 years longer than those in neighboring Cook County and outpace all surrounding counties. With 106 primary care providers per 100,000 residents and 376 mental health providers, Lake County has robust healthcare infrastructure compared to smaller nearby counties.

Healthcare access is strong here

Just 7.4% of Lake County residents lack health insurance, above the state average of 6.3%, though the county compensates with plentiful providers. With one primary care provider for every 943 residents and mental health services readily available, daily healthcare needs are usually met without long waits.

Check your coverage today

Even in a well-insured county, gaps exist—7.4% of residents remain uninsured. Visit healthcare.gov or contact your employer's benefits office to explore Marketplace plans, Medicaid, or employer coverage that fits your needs.

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Frequently Asked Questions

What is the health ranking of Lake County, IL?
Lake County has a health score of 77/100, rated "Excellent." It ranks #24 out of 102 counties in Illinois (1 = healthiest). The score is based on CDC County Health Rankings data, combining life expectancy, uninsured rates, provider access, and behavioral health indicators.
What is the life expectancy in Lake County?
Life expectancy in Lake County is 80.4 years. The Illinois state average is 76.0 years, making Lake County above the state average.
How does Lake County health compare to the Illinois average?
Lake County's health score of 77/100 is above the Illinois average of 66/100. Life expectancy is 80.4 years vs. the state average of 76.0 years. The uninsured rate is 7.4% vs. 6.3% statewide.
What health factors affect Lake County?
Key health factors for Lake County include: life expectancy (80.4 years), uninsured rate (7.4%), and primary care physician access (106:1 (population to primary care physicians)). Mental health provider access is 376:1 population-to-provider ratio. These metrics are sourced from the CDC County Health Rankings & Roadmaps program.
Is Lake County a healthy place to live?
With a health score of 77/100 ("Excellent"), Lake County is one of the healthier counties in Illinois. Residents have a life expectancy of 80.4 years. 7.4% of adults lack health insurance. Factors like healthcare access, environmental quality, and socioeconomic conditions all contribute to these outcomes.
Why is Lake County healthier than the Illinois average?
Lake County's health score of 77/100 exceeds the Illinois average of 66/100. Higher health scores often correlate with better access to healthcare providers, lower uninsured rates, higher median incomes, and environmental factors.

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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.