Cost of Living in Ada County, ID

Modeled annual cost: $57,514.

Median family income: $107,531.

Affordability Snapshot

ID County Median

$46,711

State Rank

1thMost expensive counties in ID out of 44See Idaho county rankings

Median Income

$107,531

Location Type

Metro

Biggest category:

Housing is the biggest expense in Ada County, ID.

$16,458 per year.

Cost breakdown

Total

$57,514

Per year

  • Housing:$16,458
  • Transport:$12,597
  • Taxes:$12,180
  • Other Costs:$6,654
  • Food:$4,973
  • Healthcare:$4,652
  • Childcare:$0

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

See how Ada County, ID compares across the country.

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

How WatchPennies calculates salary needed
Cost of Living in Ada County, ID (2026)