Cost of Living in Williamson County, TX

Modeled annual cost: $60,716.

Median family income: $129,273.

Affordability Snapshot

TX County Median

$43,937

State Rank

4thMost expensive counties in TX out of 254See Texas county rankings

Median Income

$129,273

Location Type

Metro

Biggest category:

Housing is the biggest expense in Williamson County, TX.

$19,488 per year.

Cost breakdown

Total

$60,716

Per year

  • Housing:$19,488
  • Transport:$13,768
  • Taxes:$10,629
  • Other Costs:$7,276
  • Healthcare:$5,609
  • Food:$3,946
  • Childcare:$0

* Percentages may not add up to 100% due to rounding.

See how Williamson County, TX compares across the country.

Explore our cost of living interactive map to compare Williamson County, TX with multiple counties in the United States.

How WatchPennies calculates salary needed
Cost of Living in Williamson County, TX (2026)