Knox County Health Data

Knox County, Tennessee

Health Score

50/100

Below Avg

Life Expectancy

74.2 yr

Uninsured Rate

9.8%

Health Statistics

Life Expectancy

74.2 yr

State avg 72.4 yr

National avg 77.5 yr

Uninsured Rate

9.8%

State avg 11.9%

National avg 9%

Primary Care Providers

109

per 100K population

National avg 82

Mental Health Providers

441

per 100K population

National avg 350

Data Story

About Health in Knox County, Tennessee

Knox County leads on life expectancy and health

Knox County residents enjoy a life expectancy of 74.2 years, just 0.3 years below the U.S. average of 74.5 years—the best outcome among all regional peers. Only 17.2% report poor or fair health, compared to 17.8% nationally, placing Knox at the national standard. Knox stands out as a statewide and regional health leader.

Knox ranks 5th in Tennessee health outcomes

At 74.2 years, Knox County's life expectancy exceeds Tennessee's 72.4-year state average by 1.8 years, ranking it among the state's healthiest counties. The county's 17.2% poor/fair health rate is the best in the region and below the state average. Knox's superior outcomes reflect strong healthcare infrastructure and economic opportunity.

Healthcare leader outpaces all regional neighbors

Knox County's 74.2-year life expectancy significantly exceeds every neighbor—Jefferson (72.9 years), Johnson (72.3 years), and Houston (70.9 years). Its uninsured rate of 9.8% is the lowest in the region, and its 109 primary care providers per 100K is more than double most peers. With 441 mental health providers per 100K, Knox has unmatched behavioral health capacity.

Robust healthcare infrastructure supports residents

At 9.8%, Knox County's uninsured rate is the region's lowest, meaning most residents can access needed care without financial barriers. The county's 109 primary care providers per 100K and exceptional 441 mental health providers per 100K create minimal wait times and comprehensive care options. This infrastructure translates directly to better health outcomes.

Keep your coverage current and complete

Even with Knox County's excellent healthcare access, staying insured ensures continuous, affordable care. Visit healthcare.gov or call 1-800-318-2596 to verify your coverage and explore options that fit your budget. Strong insurance coverage strengthens your family's health and financial security.

eHealth Insurance

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

Compare Plans →

HealthMarkets

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

Get a Quote →

Sponsored

Frequently Asked Questions

What is the health ranking of Knox County, TN?
Knox County has a health score of 50/100, rated "Below Average." It ranks #7 out of 95 counties in Tennessee (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 Knox County?
Life expectancy in Knox County is 74.2 years. The Tennessee state average is 72.4 years, making Knox County above the state average.
How does Knox County health compare to the Tennessee average?
Knox County's health score of 50/100 is above the Tennessee average of 29/100. Life expectancy is 74.2 years vs. the state average of 72.4 years. The uninsured rate is 9.8% vs. 11.9% statewide.
What health factors affect Knox County?
Key health factors for Knox County include: life expectancy (74.2 years), uninsured rate (9.8%), and primary care physician access (109:1 (population to primary care physicians)). Mental health provider access is 441:1 population-to-provider ratio. These metrics are sourced from the CDC County Health Rankings & Roadmaps program.
Is Knox County a healthy place to live?
With a health score of 50/100 ("Below Average"), Knox County faces health challenges compared to other counties in Tennessee. Residents have a life expectancy of 74.2 years. 9.8% of adults lack health insurance. Factors like healthcare access, environmental quality, and socioeconomic conditions all contribute to these outcomes.
Why is Knox County healthier than the Tennessee average?
Knox County's health score of 50/100 exceeds the Tennessee average of 29/100. Higher health scores often correlate with better access to healthcare providers, lower uninsured rates, higher median incomes, and environmental factors.

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.