Cost of Living in Washington County, MO

Modeled annual cost: $40,420.

Median family income: $65,802.

Affordability Snapshot

MO County Median

$43,629

State Rank

114thMost expensive counties in MO out of 115See Missouri county rankings

Median Income

$65,802

Location Type

Not Metropolitan

Biggest category:

Transport is the biggest expense in Washington County, MO.

$13,559 per year.

Cost breakdown

Total

$40,420

Per year

  • Transport:$13,559
  • Housing:$7,380
  • Taxes:$7,249
  • Healthcare:$5,087
  • Food:$3,704
  • Other Costs:$3,441
  • Childcare:$0

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

Cheaper counties in Missouri

1St. Francois County, MO
$40,306

Popular comparisons in Missouri

See how Washington County, MO compares across the country.

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

Use the Cost of Living Map Launch WatchPennies cost of living map
How WatchPennies calculates salary needed
Cost of Living in Washington County, MO (2026)