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Buying a home in Yellowstone County, Montana

The typical owner-occupied home in Yellowstone County is worth about $349,500, 7% below the Montana median of $375,800 and 5% above the national median of $332,700. Owners pay a median $2,832 a year in property taxes, about 0.81% of their home's value, higher than the Montana rate of 0.72%. The median household earns $76,570 a year, so the median home costs 4.6 times the median income (5.2 times for Montana). 70% of occupied homes here are lived in by their owners, and 59% of those owners still have a mortgage.

Yellowstone County at a glance

Yellowstone County Montana U.S.
Median home value $349,500 $375,800 $332,700
Median property tax paid per year $2,832 $2,693 $3,119
Property tax as a share of value 0.81% 0.72% 0.94%
Median household income $76,570 $72,509 $80,734
Homes lived in by their owners 70% 69% 65%
Owner homes with a mortgage 59% 55% 61%
Median monthly costs, owners with a mortgage $1,846 $1,798 $1,963
Those costs as a share of the owners' income 21.3% 21.9% 21.0%
Median rent $1,131 $1,081 $1,413
Rent as a share of renters' income 28.8% 27.8% 30.6%
Median year homes were built 1982 1981 1980
Vacant homes 5.8% 13.2% 10.1%
Population 168,957 1,116,875 334,922,499

What a typical home costs per month in Yellowstone County

At this week's average 30-year rate of 7.11%, buying the median Yellowstone County home of $349,500 with 20% down costs about $2,262 a month, including property taxes and insurance. With an FHA loan and 3.5% down, it's about $2,845, because the loan is bigger and FHA adds mortgage insurance.

Lenders usually want housing costs under about 28% of gross income, which means an income of roughly $96,961 for the 20%-down payment. That payment is 35% of the median Yellowstone County household income of $76,570; at that income and 20% down, the 28% guideline points to a home of about $276,000.

The median rent here is $1,131 a month, so owning the median home costs about $1,131 a month more than renting, before you count the equity you build and any tax benefits.

20% down, 30-year conventional loan
Down payment$69,900
Loan amount$279,600
Principal and interest$1,881
Property taxes (0.81% a year)$236
Homeowners insurance (our estimate, 0.5% a year)$146
PMI$0
Total per month$2,262

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3.5% down, 30-year FHA loan
Down payment$12,232
Loan amount$343,170
Principal and interest$2,309
Property taxes (0.81% a year)$236
Homeowners insurance (our estimate, 0.5% a year)$146
FHA mortgage insurance$155
Total per month$2,845

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Questions about home buying in Yellowstone County

What is the median home value in Yellowstone County?

About $349,500 for owner-occupied homes, according to the Census Bureau's 2020–2024 American Community Survey.

How much are property taxes in Yellowstone County?

Homeowners pay a median $2,832 a year, which is about 0.81% of the median home value. Your bill depends on your home's assessed value and local rates.

What income do you need to buy a home in Yellowstone County?

For the median home with 20% down at 7.11%, the payment is about $2,262 a month. Keeping that under 28% of gross income takes about $96,961 a year.

More about Yellowstone County

Sources: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates; Freddie Mac Primary Mortgage Market Survey, week of November 12, 2026. Estimates for small places have wide margins of error. About our data