Skip to main content
LiveWhere us
Billings, MT

Cost of living in Stillwater County, MT

Part of the Billings Metro Area

Estimated monthly cost
$2,878/mo
for a single person, all categories combined

Population 9,052 · Last updated May 21, 2026

Cost breakdown

Single person, by category, per month.

Rent $928 32%
Federal tax $490 17%
Healthcare $480 17%
Groceries $334 12%
Transport $250 9%
State tax $176 6%
Energy $160 6%
Water $60 2%

Rent in Stillwater County

Fair Market Rents by bedroom count.

Studio
$877
per month
1 bedroom
$928
per month
2 bedroom
$1,218
per month
3 bedroom
$1,705
per month
4 bedroom
$2,045
per month

Source: HUD FMR FY2025

Income and earnings in Stillwater County

Annual earnings figures from the Census ACS.

Household income
$81,503
per year
Individual earnings
$39,991
per year
Per capita
$48,923
per year

Source: ACS 2019-2023 5-Year.

Home values in Stillwater County

Average values reported by homeowners.

Average home value
$355,600
Annual property tax
$2,131

Source: ACS 2019-2023 5-Year

Energy costs in Stillwater County

Estimated monthly electricity and gas costs.

Electricity
$103
per month · 12.9¢/kWh
Natural gas
$57
per month
Annual total
$1,920
per year

Source: EIA

Healthcare in Stillwater County

Insurance premiums and coverage rates.

Individual premium
$480
per month
Family premium
$1,350
per month
Uninsured rate
4.6%

Source: ACS + national avg. Marketplace benchmark premiums are second-lowest Silver plan estimates and do not reflect employer plans, subsidies, or out-of-pocket costs. This is not healthcare advice.

Taxes in Stillwater County

State and local tax rates for Montana.

State income tax
5.9%
Top marginal rate
State sales tax
0.0%
Combined sales tax
0.0%
incl. average local

Tax rates change. Consult a qualified tax professional for advice on your specific situation. This is not tax advice.

Transportation in Stillwater County

Commute patterns and estimated costs.

Average commute
28.5 min
Drive alone
61.9%
Public transit
3.3%
Work from home
7.9%

Source: ACS

Monthly cost estimates for Stillwater County

What it costs to live in Stillwater County each month.

Single person
$2,878
per month
  • Rent $928
  • Energy $160
  • Water $60
  • Groceries $334
  • Transport $250
  • Healthcare $480
  • Federal tax $490
  • State tax $176
Couple
$4,631
per month
  • Rent $1,218
  • Energy $192
  • Water $70
  • Groceries $553
  • Transport $350
  • Healthcare $864
  • Federal tax $1,004
  • State tax $380
Family
$7,254
per month
  • Rent $1,705
  • Energy $240
  • Water $85
  • Groceries $840
  • Transport $450
  • Healthcare $1,350
  • Childcare $1,200
  • Federal tax $1,004
  • State tax $380

Frequently asked questions about Stillwater County

Common questions about cost of living, rent and salary.

What is the average rent in Stillwater County?

In Stillwater County, MT, a one-bedroom apartment averages $928 per month, a two-bedroom averages $1,218 per month, a three-bedroom averages $1,705 per month, according to HUD Fair Market Rent data.

What is the average salary in Stillwater County?

In Stillwater County, MT, the average household income is $81,503 per year and individual earnings for full-time workers average $39,991 per year, according to U.S. Census Bureau data.

What is the cost of living in Stillwater County?

The estimated cost of living in Stillwater County, MT is approximately $2,878 per month for a single person, $4,631 for a couple, $7,254 for a family. This includes rent, utilities, groceries, transportation, healthcare, and taxes.

What is the sales tax rate in Stillwater County?

The combined sales tax rate in Stillwater County, MT is 0.00%, which includes the Montana state rate of 0.00% plus an average local rate of 0.00%.

Is Stillwater County an affordable place to live?

Based on the data, a single person in Stillwater County, MT would need approximately $2,878 per month to cover rent, utilities, food, transport, healthcare, and taxes. The average household income is $81,503 per year ($6,792 per month). Stillwater County is relatively affordable compared to the national average.

How much does healthcare cost in Stillwater County?

The ACA marketplace benchmark premium in Stillwater County, MT is approximately $480 per month for an individual. Approximately 4.6% of residents are uninsured. Actual costs vary based on employer coverage, plan type, and individual circumstances.

What are house prices in Stillwater County?

The average home value in Stillwater County, MT is $355,600, with average annual property taxes of $2,131, according to U.S. Census Bureau data.

How does Stillwater County compare to other areas?

You can compare Stillwater County, MT with any other US county using our comparison tool at /compare. Stillwater County is in the Billings, MT metro area.

Other counties in Montana

Browse the full list of counties in Montana, ranked by cost of living.

See all counties in Montana

Compare Stillwater County with another area

Put two counties side by side to see how rent, taxes and everyday costs stack up.

About this data

All figures on this page come from official U.S. government sources, listed below.

  • HUD FMR FY2025
  • ACS 2019-2023 5-Year
  • EIA
  • ACS + national avg
  • ACS
  • USDA + BEA RPP
Methodology All data sources