Cost to Own
United StatesMichiganGratiot CountySt. Louis Population 6,926 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in St. Louis, Michigan

A $116,000 home here costs

$1,137

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

A standard mortgage calculator would have told you $596. The real number is $540 higher every month — 91% more than the payment most buyers budget for.

St. Louis median: $115,700
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, $92,800 borrowed $596
Property tax1.392% effective rate for St. Louis itself $135
Homeowners insuranceMichigan averages $993/yr (NAIC), or 0.448% of home value $43
Electricity22.01¢/kWh — Michigan residential average, EIA $198
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $97
Total monthly $1,137

St. Louis against Gratiot County and Michigan

MeasureSt. LouisGratiot County
Median home value$115,700$136,800
Median property tax$1,610$1,739
Effective tax rate1.392%1.271%
Median gross rent$865$808
Population6,92641,478

The weather behind that power bill

St. Louis sits in Gratiot County, which averages a high of 82.2°F in its hottest month and a low of 15.0°F in its coldest, with 34.5" of precipitation a year and 31% of it in a single three-month stretch. That climate drives 544 cooling and 7,051 heating degree days, which is what sets the $198 electricity line above.

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

Other cities in Gratiot County

Full Gratiot County cost breakdown · Every county in Michigan

Common questions

How much does it cost to own a home in St. Louis?

A $116,000 home in St. Louis, Michigan costs approximately $1,137 per month with 20% down at 6.66%. That is $596 principal and interest, $135 property tax, $43 homeowners insurance, $266 utilities and $97 set aside for maintenance.

What is the property tax rate in St. Louis?

St. Louis has an effective property tax rate of 1.392%, based on a median home value of $115,700 and median real estate taxes of $1,610. That is higher than the Gratiot County average of 1.271%.

What is the average home price in St. Louis?

The median owner-occupied home value in St. Louis, Michigan is $115,700, against $136,800 across Gratiot County.

Is it cheaper to rent or buy in St. Louis?

Median gross rent in St. Louis is $865 a month, against $1,137 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 St. Louis — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
  • Homeowners insurance — NAIC average premium for Michigan.
  • 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