Cost to Own
United StatesMontanaSweet Grass County FIPS 30097 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Sweet Grass County, Montana

A $296,000 home here costs

$2,237

per month, all in — with 20% down at today's 6.66% 30-year fixed rate.

A standard mortgage calculator would have told you $1,522. The real number is $716 higher every month — 47% more than the payment most buyers budget for.

County median: $295,500
Under 20% adds PMI
Freddie Mac PMMS
US average household

Where every dollar goes

Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.

Principal & interest30-year fixed, $236,800 borrowed $1,522
Property tax0.491% effective rate — Sweet Grass County assessor via Census ACS $121
Homeowners insuranceEstimated at 0.60% of home value per year $148
Electricity14.67¢/kWh — Montana residential average, EIA $132
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year — the cost nobody budgets $247
Total monthly $2,237

How Sweet Grass County compares

Sweet Grass County ranks 2,722nd of 3,133 US counties by effective property tax rate, meaning property taxes here are lower than in 411 counties and higher than in 2,721. Within Montana it ranks 53rd of 56.

Sweet Grass County 0.491% 41% lower than national
Montana average 0.767%
National median0.837%
Highest in America — Menominee County, WI3.636%

The numbers behind this page

MeasureSweet Grass CountySource
Median home value$295,500ACS B25077
Median real estate taxes paid$1,452ACS B25103
Effective property tax rate0.491%Derived
Median gross rent$1,073ACS B25064
Occupied housing units1,497ACS B25003
Population3,713ACS B01003
Residential electricity price14.67¢/kWhEIA 5.6.A
30-year fixed mortgage rate6.66%Freddie Mac PMMS

Other counties in Montana

Compare the cost of the same home elsewhere in the state.

All 56 counties in Montana

Questions about owning here

What is the property tax rate in Sweet Grass County?

The effective property tax rate in Sweet Grass County, Montana is 0.491% of home value per year. On the county's median home value of $295,500, that works out to about $1,452 annually, or $121 per month.

How much does it cost to own a home in Sweet Grass County?

A $296,000 home in Sweet Grass County, Montana costs approximately $2,237 per month with 20% down at 6.66%. That breaks down as $1,522 principal and interest, $121 property tax, $148 insurance, $200 utilities and $247 set aside for maintenance.

Why is this higher than the payment my lender quoted?

Lender quotes usually show principal and interest only, and sometimes property tax and insurance. They almost never include electricity, water or a maintenance reserve. Here those add about $447 a month, which is why the real cost is 47% above the mortgage payment alone.

Is it cheaper to rent in Sweet Grass County?

Median gross rent in Sweet Grass County, Montana is $1,073 per month, compared with $2,237 to own the median home outright. Renting is cheaper month to month, though rent does not build equity and is not fixed for 30 years.

How much is the electric bill in Sweet Grass County?

Montana residential electricity averages 14.67¢ per kWh. At the US average household usage of 899 kWh per month, that is about $132. Actual bills vary considerably with house size, insulation and climate.

Sources & methodology

  • Median home value, real estate taxes paid, gross rent, occupied units and population — US Census Bureau, American Community Survey ACS 2023 5-Year, tables B25077, B25103, B25064, B25003, B01003.
  • Effective property tax rate — median real estate taxes paid divided by median home value.
  • Mortgage rate — Freddie Mac PMMS, updated weekly.
  • Residential electricity price — US Energy Information Administration, Electric Power Monthly, Table 5.6.A.
  • Homeowners insurance (0.60%/yr), maintenance (1%/yr) and water and sewer ($68/mo) are modelled national estimates, not quoted figures. Every one is editable above.

Full methodology