Johnson County Health Data
Johnson County, Illinois
Health Score
60/100
Average
Life Expectancy
75.8 yr
Uninsured Rate
6.9%
Health Statistics
Life Expectancy
75.8 yr
State avg 76.0 yr
National avg 77.5 yr
Uninsured Rate
6.9%
State avg 6.3%
National avg 9%
Primary Care Providers
7
per 100K population
National avg 82
Mental Health Providers
871
per 100K population
National avg 350
Data Story
About Health in Johnson County, Illinois
Johnson County faces significant health strain
Life expectancy in Johnson County stands at 75.8 years, roughly 3 years below the U.S. average of 78.9 years. Nearly 1 in 5 residents (19.0%) reports poor or fair health, substantially exceeding the national average of 12%.
Below-average health within Illinois
At 75.8 years, Johnson County's life expectancy trails Illinois's 76.0-year state average, though only slightly, and ranks among the state's lower performers. The uninsured rate of 6.9% exceeds the state average of 6.3%.
Regional health disparities evident
Johnson County's 75.8-year life expectancy falls substantially behind high-performing Kendall (80.5 years) and Jo Daviess (79.9 years), reflecting significant regional health inequality. The 19.0% poor/fair health rate is among the worst in the comparison group.
Critical primary care shortage
Johnson County faces a severe shortage of primary care providers with only 7 per 100,000 residents—the lowest in the state data reviewed—though mental health providers are plentiful at 871 per 100,000. The 6.9% uninsured rate compounds these access challenges.
Find care in your community
With limited local primary care options and rising uninsured rates, Johnson County residents should connect with community health centers and explore insurance marketplace plans. Telehealth and regional referral programs can help bridge care gaps.
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Frequently Asked Questions
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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.