Williamson County Health Data
Williamson County, Texas
Health Score
74/100
Average
Life Expectancy
80.7 yr
Uninsured Rate
10.4%
Health Statistics
Life Expectancy
80.7 yr
State avg 74.3 yr
National avg 77.5 yr
Uninsured Rate
10.4%
State avg 19.8%
National avg 9%
Primary Care Providers
68
per 100K population
National avg 82
Mental Health Providers
178
per 100K population
National avg 350
Data Story
About Health in Williamson County, Texas
Williamson leads the nation in longevity
Williamson County residents live 80.7 years on average—well above the U.S. average of 79.3 years—and only 15.0% report poor or fair health, significantly better than the national rate of 21%. This exceptional health profile reflects the county's economic strength and healthcare infrastructure.
Texas's healthiest county by far
At 80.7 years, Williamson County life expectancy exceeds Texas's state average of 74.3 years by over 6 years, making it the clear leader among all counties examined. Its 10.4% uninsured rate is less than half the state average of 19.8%, underscoring better economic conditions and coverage.
Dramatically outpaces all regional peers
Williamson County's 80.7-year life expectancy surpasses the next-best county, Wilson (76.8 years), by 4 years, and towers over struggling counties like Wheeler (71.3) and Wilbarger (71.4). Its 15.0% poor/fair health rate is half that of Willacy County's 36.8%.
Robust providers, strong insurance coverage
Williamson County has 68 primary care providers per 100,000 residents and 178 mental health providers per 100,000, providing solid access to care throughout the lifespan. With only 10.4% uninsured—the lowest rate in this group—most residents can access preventive and specialty care when needed.
Maintain continuity for optimal health
Though Williamson County's 10.4% uninsured rate is excellent, the remaining uninsured should secure coverage through employer plans, the marketplace, or Medicaid to sustain the county's exceptional health outcomes. Continuous coverage enables regular preventive care and early disease detection.
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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.