Cost to Own
United StatesSouth DakotaUnion CountyNorth Sioux City Population 3,018 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in North Sioux City, South Dakota

A $235,000 home here costs

$1,933

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

A standard mortgage calculator would have told you $1,208. The real number is $725 higher every month — 60% more than the payment most buyers budget for.

North Sioux City median: $234,500
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, $188,000 borrowed $1,208
Property tax1.083% effective rate for North Sioux City itself $212
Homeowners insuranceSouth Dakota averages $1,270/yr (NAIC), or 0.55% of home value $108
Electricity15.73¢/kWh — South Dakota residential average, EIA $141
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $196
Total monthly $1,933

North Sioux City against Union County and South Dakota

MeasureNorth Sioux CityUnion County
Median home value$234,500$269,500
Median property tax$2,540$2,997
Effective tax rate1.083%1.112%
Median gross rent$1,092$1,055
Population3,01816,916

The weather behind that power bill

North Sioux City sits in Union County, which averages a high of 85.5°F in its hottest month and a low of 10.2°F in its coldest, with 28" of precipitation a year and 42% of it in a single three-month stretch. That climate drives 904 cooling and 6,758 heating degree days, which is what sets the $141 electricity line above.

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

Other cities in Union County

Full Union County cost breakdown · Every county in South Dakota

Common questions

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

A $235,000 home in North Sioux City, South Dakota costs approximately $1,933 per month with 20% down at 6.66%. That is $1,208 principal and interest, $212 property tax, $108 homeowners insurance, $209 utilities and $196 set aside for maintenance.

What is the property tax rate in North Sioux City?

North Sioux City has an effective property tax rate of 1.083%, based on a median home value of $234,500 and median real estate taxes of $2,540. That is lower than the Union County average of 1.112%.

What is the average home price in North Sioux City?

The median owner-occupied home value in North Sioux City, South Dakota is $234,500, against $269,500 across Union County.

Is it cheaper to rent or buy in North Sioux City?

Median gross rent in North Sioux City is $1,092 a month, against $1,933 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 Sioux City — 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