Jefferson County Health Data

Jefferson County, Illinois

Health Score

58/100

Average

Life Expectancy

74.1 yr

Uninsured Rate

6.0%

Health Statistics

Life Expectancy

74.1 yr

State avg 76.0 yr

National avg 77.5 yr

Uninsured Rate

6.0%

State avg 6.3%

National avg 9%

Primary Care Providers

49

per 100K population

National avg 82

Mental Health Providers

319

per 100K population

National avg 350

Data Story

About Health in Jefferson County, Illinois

Jefferson County lags on life expectancy

At 74.1 years, Jefferson County residents live roughly 5 years less than the U.S. average of 78.9 years. Nearly 1 in 5 residents (18.8%) report poor or fair health—well above the national average of 12%—signaling broader health challenges in the county.

Below Illinois average in longevity

Jefferson County's life expectancy of 74.1 years trails Illinois's 76.0-year state average by 1.9 years. This gap places Jefferson in the lower tier of Illinois counties when ranked by health outcomes.

Health lags similar Illinois counties

Jefferson's 74.1-year life expectancy falls behind neighboring Jersey County (74.7 years) and significantly trails high-performing counties like Kendall (80.5 years). The county's 18.8% poor/fair health rate is among the worst in its region.

Modest uninsured rate, primary care gaps

Just 6.0% of Jefferson County residents lack health insurance—slightly better than the state average of 6.3%—but access to primary care remains constrained with only 49 providers per 100,000 residents. Mental health services are stronger, with 319 providers per 100,000.

Explore coverage options now

If you're among the uninsured or underinsured in Jefferson County, now is the time to investigate marketplace plans and Medicaid eligibility. Local health departments and community health centers can guide you toward affordable coverage.

eHealth Insurance

Compare health insurance plans from top carriers for Jefferson County residents.

Compare Plans →

HealthMarkets

Licensed agents for health, Medicare, and supplemental insurance in Illinois.

Get a Quote →

Sponsored

Frequently Asked Questions

What is the health ranking of Jefferson County, IL?
Jefferson County has a health score of 58/100, rated "Average." It ranks #75 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 Jefferson County?
Life expectancy in Jefferson County is 74.1 years. The Illinois state average is 76.0 years, making Jefferson County below the state average.
How does Jefferson County health compare to the Illinois average?
Jefferson County's health score of 58/100 is below the Illinois average of 66/100. Life expectancy is 74.1 years vs. the state average of 76.0 years. The uninsured rate is 6.0% vs. 6.3% statewide.
What health factors affect Jefferson County?
Key health factors for Jefferson County include: life expectancy (74.1 years), uninsured rate (6.0%), and primary care physician access (49:1 (population to primary care physicians)). Mental health provider access is 319:1 population-to-provider ratio. These metrics are sourced from the CDC County Health Rankings & Roadmaps program.
Is Jefferson County a healthy place to live?
With a health score of 58/100 ("Average"), Jefferson County has average health outcomes compared to other counties in Illinois. Residents have a life expectancy of 74.1 years. 6.0% of adults lack health insurance. Factors like healthcare access, environmental quality, and socioeconomic conditions all contribute to these outcomes.
What are the biggest health challenges in Jefferson County?
Jefferson County's health score of 58/100 is below the Illinois average of 66/100. Improving health outcomes often requires investment in healthcare infrastructure, insurance coverage expansion, and community health programs.

Counties with Similar Health Profile

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.