Cost of Living in Williamson County, TN

Modeled annual cost: $73,679.

Median family income: $153,397.

Affordability Snapshot

TN County Median

$43,152

State Rank

1thMost expensive counties in TN out of 95See Tennessee county rankings

Median Income

$153,397

Location Type

Metro

Biggest category:

Housing is the biggest expense in Williamson County, TN.

$24,884 per year.

Cost breakdown

Total

$73,679

Per year

  • Housing:$24,884
  • Taxes:$14,407
  • Transport:$13,696
  • Other Costs:$9,324
  • Healthcare:$6,221
  • Food:$5,146
  • Childcare:$0

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

Cheaper counties in Tennessee

1Lake County, TN
$40,207
2Greene County, TN
$40,302
3Lauderdale County, TN
$40,382
4Polk County, TN
$40,463
5Monroe County, TN
$40,506

Popular comparisons in Tennessee

See how Williamson County, TN compares across the country.

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

Use the Cost of Living Map Launch WatchPennies cost of living map
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Cost of Living in Williamson County, TN (2026)