Williamson County

  • The population of Williamson County is 570,437, with 12% over the age of 65.
  • 20% of residents (ages 25 and over) have only a high school diploma, and 7% have less than a high school education.
  • The median household income is $90,834.
  • 6% of residents are in poverty.
  • 10% of residents are without health insurance.

Learn more about the county's social vulnerability, economics and healthcare.

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Unless otherwise noted, information on this page is taked from the US Census Bureau's 2020 American Community Survey (ACS) 5-Year estimates. ACS estimates are based on sample surveys and can include high margins of error, especially for areas with low populations.

Social Vulnerability

According to the CDC/ATSDR Social Vulnerability Index, Williamson County is less vulnerable than 92% of counties in the state. The greatest source of vulnerability in the county is race and ethnicity. In relation to this category, Williamson is more vulnerable than 49% of Texas counties.

Economics

The median household income in Williamson County is $90,834. This is 42% more than the state median. 6% of residents are in poverty, 8 points less than the state as whole.

The unemployment rate in Williamson County is 5%, in line with the state as a whole.

Healthcare

  • 10% of residents in Williamson County are without health insurance. This is 7 points lower than the state as a whole.
  • 7% of residents are on Medicaid or other means-tested forms of public insurance.
  • For 4% of residents, Medicare is their only form of health insurance.