Cost of living in Granite County, MT
Population 3,419 · Last updated May 21, 2026
Cost breakdown
Single person, by category, per month.
Rent in Granite County
Fair Market Rents by bedroom count.
Source: HUD FMR FY2025
Income and earnings in Granite County
Annual earnings figures from the Census ACS.
Source: ACS 2019-2023 5-Year.
Home values in Granite County
Average values reported by homeowners.
Source: ACS 2019-2023 5-Year
Energy costs in Granite County
Estimated monthly electricity and gas costs.
Source: EIA
Healthcare in Granite County
Insurance premiums and coverage rates.
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 Granite County
State and local tax rates for Montana.
Tax rates change. Consult a qualified tax professional for advice on your specific situation. This is not tax advice.
Transportation in Granite County
Commute patterns and estimated costs.
Source: ACS
Monthly cost estimates for Granite County
What it costs to live in Granite County each month.
- Rent $827
- Energy $160
- Water $60
- Groceries $334
- Transport $250
- Healthcare $480
- Federal tax $366
- State tax $139
- Rent $1,020
- Energy $192
- Water $70
- Groceries $553
- Transport $350
- Healthcare $864
- Federal tax $564
- State tax $248
- Rent $1,429
- Energy $240
- Water $85
- Groceries $840
- Transport $450
- Healthcare $1,350
- Childcare $1,200
- Federal tax $564
- State tax $248
Frequently asked questions about Granite County
Common questions about cost of living, rent and salary.
What is the average rent in Granite County?
In Granite County, MT, a one-bedroom apartment averages $827 per month, a two-bedroom averages $1,020 per month, a three-bedroom averages $1,429 per month, according to HUD Fair Market Rent data.
What is the average salary in Granite County?
In Granite County, MT, the average household income is $54,646 per year and individual earnings for full-time workers average $32,442 per year, according to U.S. Census Bureau data.
What is the cost of living in Granite County?
The estimated cost of living in Granite County, MT is approximately $2,616 per month for a single person, $3,861 for a couple, $6,406 for a family. This includes rent, utilities, groceries, transportation, healthcare, and taxes.
What is the sales tax rate in Granite County?
The combined sales tax rate in Granite County, MT is 0.00%, which includes the Montana state rate of 0.00% plus an average local rate of 0.00%.
Is Granite County an affordable place to live?
Based on the data, a single person in Granite County, MT would need approximately $2,616 per month to cover rent, utilities, food, transport, healthcare, and taxes. The average household income is $54,646 per year ($4,554 per month). Granite County has a moderate cost of living relative to local earnings.
How much does healthcare cost in Granite County?
The ACA marketplace benchmark premium in Granite County, MT is approximately $480 per month for an individual. Approximately 7.9% of residents are uninsured. Actual costs vary based on employer coverage, plan type, and individual circumstances.
What are house prices in Granite County?
The average home value in Granite County, MT is $339,500, with average annual property taxes of $2,061, according to U.S. Census Bureau data.
How does Granite County compare to other areas?
You can compare Granite County, MT with any other US county using our comparison tool at /compare. Granite County is in Montana.
Other counties in Montana
Browse the full list of counties in Montana, ranked by cost of living.
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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