Cost of Living in Jefferson County, MT

Modeled annual cost: $53,847.

Median family income: $97,578.

Affordability Snapshot

MT County Median

$51,262

State Rank

15thMost expensive counties in MT out of 56See Montana county rankings

Median Income

$97,578

Location Type

Not Metropolitan

Biggest category:

Transport is the biggest expense in Jefferson County, MT.

$15,706 per year.

Cost breakdown

Total

$53,847

Per year

  • Transport:$15,706
  • Housing:$11,196
  • Taxes:$11,181
  • Healthcare:$6,783
  • Other Costs:$4,780
  • Food:$4,200
  • Childcare:$0

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

Cheaper counties in Montana

1Phillips County, MT
$45,450
2Deer Lodge County, MT
$46,036
3Cascade County, MT
$46,679
4Powell County, MT
$47,459
5Beaverhead County, MT
$47,953

Popular comparisons in Montana

See how Jefferson County, MT compares across the country.

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

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Cost of Living in Jefferson County, MT (2026)