Cost of Living in Jefferson County, ID

Modeled annual cost: $55,222.

Median family income: $89,672.

Affordability Snapshot

ID County Median

$46,711

State Rank

4thMost expensive counties in ID out of 44See Idaho county rankings

Median Income

$89,672

Location Type

Metro

Biggest category:

Transport is the biggest expense in Jefferson County, ID.

$16,122 per year.

Cost breakdown

Total

$55,222

Per year

  • Transport:$16,122
  • Housing:$12,860
  • Taxes:$11,399
  • Other Costs:$5,386
  • Healthcare:$4,966
  • Food:$4,489
  • Childcare:$0

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

See how Jefferson County, ID compares across the country.

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

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