Cost to Own
United StatesMontanaLake CountyPolson Population 5,334 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Polson, Montana

A $321,000 home here costs

$2,406

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

A standard mortgage calculator would have told you $1,650. The real number is $756 higher every month — 46% more than the payment most buyers budget for.

Polson median: $321,000
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, $256,800 borrowed $1,650
Property tax0.665% effective rate for Polson itself $178
Homeowners insuranceMontana averages $1,471/yr (NAIC), or 0.413% of home value $110
Electricity14.67¢/kWh — Montana residential average, EIA $132
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $268
Total monthly $2,406

Polson against Lake County and Montana

MeasurePolsonLake County
Median home value$321,000$369,200
Median property tax$2,136$2,436
Effective tax rate0.665%0.660%
Median gross rent$921$884
Population5,33432,073

The weather behind that power bill

Polson sits in Lake County, which averages a high of 82.8°F in its hottest month and a low of 22.0°F in its coldest, with 15.01" of precipitation a year and 39% of it in a single three-month stretch. That climate drives 295 cooling and 7,130 heating degree days, which is what sets the $132 electricity line above.

See the full climate breakdown for Lake County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.

Other cities in Lake County

Full Lake County cost breakdown · Every county in Montana

Common questions

How much does it cost to own a home in Polson?

A $321,000 home in Polson, Montana costs approximately $2,406 per month with 20% down at 6.66%. That is $1,650 principal and interest, $178 property tax, $110 homeowners insurance, $200 utilities and $268 set aside for maintenance.

What is the property tax rate in Polson?

Polson has an effective property tax rate of 0.665%, based on a median home value of $321,000 and median real estate taxes of $2,136. That is in line with the Lake County average of 0.660%.

What is the average home price in Polson?

The median owner-occupied home value in Polson, Montana is $321,000, against $369,200 across Lake County.

Is it cheaper to rent or buy in Polson?

Median gross rent in Polson is $921 a month, against $2,406 to own the median home all in. Renting costs less month to month here, though renting builds no equity.

Sources & methodology

  • Median home value, real estate taxes, gross rent and population for Polson — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
  • Homeowners insurance — NAIC average premium for Montana.
  • Electricity price — EIA Electric Power Monthly Table 5.6.A.
  • Mortgage rate — Freddie Mac PMMS, refreshed weekly.
  • Maintenance (1%/yr) and water and sewer ($68/mo) are national estimates. Every assumption above is editable.

Full methodology