Cost to Own
United StatesIllinoisCook CountyFlossmoor Population 9,666 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Flossmoor, Illinois

A $309,000 home here costs

$3,083

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

A standard mortgage calculator would have told you $1,589. The real number is $1,494 higher every month — 94% more than the payment most buyers budget for.

Flossmoor median: $309,100
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, $247,200 borrowed $1,589
Property tax3.236% effective rate for Flossmoor itself $833
Homeowners insuranceIllinois averages $1,223/yr (NAIC), or 0.47% of home value $121
Electricity23.85¢/kWh — Illinois residential average, EIA $214
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $258
Total monthly $3,083

Flossmoor against Cook County and Illinois

MeasureFlossmoorCook County
Median home value$309,100$305,200
Median property tax$10,001$6,053
Effective tax rate3.236%1.983%
Median gross rent$2,191$1,381
Population9,6665,185,812

The weather behind that power bill

Flossmoor sits in Cook County, which averages a high of 84.0°F in its hottest month and a low of 16.1°F in its coldest, with 33.23" of precipitation a year and 35% of it in a single three-month stretch. That climate drives 822 cooling and 6,364 heating degree days, which is what sets the $214 electricity line above.

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

Other cities in Cook County

Full Cook County cost breakdown · Every county in Illinois

Common questions

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

A $309,000 home in Flossmoor, Illinois costs approximately $3,083 per month with 20% down at 6.66%. That is $1,589 principal and interest, $833 property tax, $121 homeowners insurance, $282 utilities and $258 set aside for maintenance.

What is the property tax rate in Flossmoor?

Flossmoor has an effective property tax rate of 3.236%, based on a median home value of $309,100 and median real estate taxes of $10,001. That is higher than the Cook County average of 1.983%.

What is the average home price in Flossmoor?

The median owner-occupied home value in Flossmoor, Illinois is $309,100, against $305,200 across Cook County.

Is it cheaper to rent or buy in Flossmoor?

Median gross rent in Flossmoor is $2,191 a month, against $3,083 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 Flossmoor — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
  • Homeowners insurance — NAIC average premium for Illinois.
  • 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