Cost to Own
United StatesIllinoisWill CountyWilmington Population 5,507 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Wilmington, Illinois

A $216,000 home here costs

$2,035

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

A standard mortgage calculator would have told you $1,110. The real number is $924 higher every month — 83% more than the payment most buyers budget for.

Wilmington median: $216,400
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, $172,800 borrowed $1,110
Property tax2.095% effective rate for Wilmington itself $377
Homeowners insuranceIllinois averages $1,223/yr (NAIC), or 0.47% of home value $85
Electricity23.85¢/kWh — Illinois residential average, EIA $214
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $180
Total monthly $2,035

Wilmington against Will County and Illinois

MeasureWilmingtonWill County
Median home value$216,400$298,000
Median property tax$4,534$6,993
Effective tax rate2.095%2.347%
Median gross rent$897$1,413
Population5,507698,450

The weather behind that power bill

Wilmington sits in Will County, which averages a high of 83.6°F in its hottest month and a low of 16.6°F in its coldest, with 38.03" of precipitation a year and 35% of it in a single three-month stretch. That climate drives 872 cooling and 6,171 heating degree days, which is what sets the $214 electricity line above.

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

Other cities in Will County

Full Will County cost breakdown · Every county in Illinois

Common questions

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

A $216,000 home in Wilmington, Illinois costs approximately $2,035 per month with 20% down at 6.66%. That is $1,110 principal and interest, $377 property tax, $85 homeowners insurance, $282 utilities and $180 set aside for maintenance.

What is the property tax rate in Wilmington?

Wilmington has an effective property tax rate of 2.095%, based on a median home value of $216,400 and median real estate taxes of $4,534. That is lower than the Will County average of 2.347%.

What is the average home price in Wilmington?

The median owner-occupied home value in Wilmington, Illinois is $216,400, against $298,000 across Will County.

Is it cheaper to rent or buy in Wilmington?

Median gross rent in Wilmington is $897 a month, against $2,035 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 Wilmington — 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