Cost to Own
United StatesIllinoisIroquois CountyGilman Population 1,576 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Gilman, Illinois

A $109,000 home here costs

$1,161

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

A standard mortgage calculator would have told you $560. The real number is $600 higher every month — 107% more than the payment most buyers budget for.

Gilman median: $108,900
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, $87,200 borrowed $560
Property tax2.030% effective rate for Gilman itself $184
Homeowners insuranceIllinois averages $1,223/yr (NAIC), or 0.47% of home value $43
Electricity23.85¢/kWh — Illinois residential average, EIA $214
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $91
Total monthly $1,161

Gilman against Iroquois County and Illinois

MeasureGilmanIroquois County
Median home value$108,900$125,400
Median property tax$2,211$2,449
Effective tax rate2.030%1.953%
Median gross rent$702$793
Population1,57626,746

The weather behind that power bill

Gilman sits in Iroquois County, which averages a high of 84.8°F in its hottest month and a low of 15.5°F in its coldest, with 38.43" of precipitation a year and 35% of it in a single three-month stretch. That climate drives 892 cooling and 6,047 heating degree days, which is what sets the $214 electricity line above.

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

Other cities in Iroquois County

Full Iroquois County cost breakdown · Every county in Illinois

Common questions

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

A $109,000 home in Gilman, Illinois costs approximately $1,161 per month with 20% down at 6.66%. That is $560 principal and interest, $184 property tax, $43 homeowners insurance, $282 utilities and $91 set aside for maintenance.

What is the property tax rate in Gilman?

Gilman has an effective property tax rate of 2.030%, based on a median home value of $108,900 and median real estate taxes of $2,211. That is higher than the Iroquois County average of 1.953%.

What is the average home price in Gilman?

The median owner-occupied home value in Gilman, Illinois is $108,900, against $125,400 across Iroquois County.

Is it cheaper to rent or buy in Gilman?

Median gross rent in Gilman is $702 a month, against $1,161 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 Gilman — 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