Cost to Own
United StatesSouth DakotaLawrence CountyNorth Spearfish Population 2,201 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in North Spearfish, South Dakota

A $322,000 home here costs

$2,488

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

A standard mortgage calculator would have told you $1,655. The real number is $833 higher every month — 50% more than the payment most buyers budget for.

North Spearfish median: $321,800
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, $257,600 borrowed $1,655
Property tax0.773% effective rate for North Spearfish itself $207
Homeowners insuranceSouth Dakota averages $1,270/yr (NAIC), or 0.55% of home value $148
Electricity15.73¢/kWh — South Dakota residential average, EIA $141
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $268
Total monthly $2,488

North Spearfish against Lawrence County and South Dakota

MeasureNorth SpearfishLawrence County
Median home value$321,800$310,800
Median property tax$2,487$2,671
Effective tax rate0.773%0.859%
Median gross rent$1,074$923
Population2,20126,574

The weather behind that power bill

North Spearfish sits in Lawrence County, which averages a high of 81.7°F in its hottest month and a low of 17.6°F in its coldest, with 31.79" of precipitation a year and 39% of it in a single three-month stretch. That climate drives 425 cooling and 7,206 heating degree days, which is what sets the $141 electricity line above.

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

Other cities in Lawrence County

Full Lawrence County cost breakdown · Every county in South Dakota

Common questions

How much does it cost to own a home in North Spearfish?

A $322,000 home in North Spearfish, South Dakota costs approximately $2,488 per month with 20% down at 6.66%. That is $1,655 principal and interest, $207 property tax, $148 homeowners insurance, $209 utilities and $268 set aside for maintenance.

What is the property tax rate in North Spearfish?

North Spearfish has an effective property tax rate of 0.773%, based on a median home value of $321,800 and median real estate taxes of $2,487. That is lower than the Lawrence County average of 0.859%.

What is the average home price in North Spearfish?

The median owner-occupied home value in North Spearfish, South Dakota is $321,800, against $310,800 across Lawrence County.

Is it cheaper to rent or buy in North Spearfish?

Median gross rent in North Spearfish is $1,074 a month, against $2,488 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 North Spearfish — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
  • Homeowners insurance — NAIC average premium for South Dakota.
  • 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