Cost to Own
United States › Illinois › Will County › Joliet Population 149,785 Data vintage ACS 2023 5-Year Rates updated 2026-10-22
Before you budget for Joliet FEMA rates natural hazard risk in Will County Relatively High, with cold wave its highest-ranked hazard against other US counties. It shapes what insurers charge here. See what threatens homes in this county

Total monthly cost of ownership

Cost to Own a Home in Joliet, Illinois

A $249,000 home here costs

$2,340

per month, all in, with 20% down at today's 7.32% 30-year fixed rate. By the 28% rule that takes a household income of about $100,500 a year.

P&I 58%Tax 20%Insurance 4%Utilities 9%Upkeep 9%

A standard mortgage calculator would have told you $1,368. The real number is $972 higher every month, 71% more than the payment most buyers budget for.

Compare Will County with anywhere in America · full county breakdown

Joliet median: $248,600
Under 20% adds PMI
Freddie Mac PMMS
IL 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, $199,200 borrowed $1,368
Property tax2.240% effective rate for Joliet itself $465
Homeowners insuranceIllinois averages $1,223/yr (NAIC), or 0.47% of home value $98
Electricity19.32ยข/kWh, Illinois residential average, EIA $134
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $208
Total monthly $2,340

Joliet against Will County and Illinois

MeasureJolietWill County
Median home value$248,600$298,000
Median property tax$5,569$6,993
Effective tax rate2.240%2.347%
Median gross rent$1,237$1,413
Population149,785698,450

Joliet extends across 2 counties. Figures here use Will County, where most of its housing sits.

The weather behind that power bill

Joliet 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 $134 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

Talk to someone who works this market

These are Joliet averages. What one specific house costs to own, or what it would sell for today, depends on the street and the condition of the place. We will connect you with one licensed local agent who works Joliet every week. Free, no obligation, and we never sell your details to a list.

I'm looking to buy in Joliet I already own here and may sell

Common questions

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

A $249,000 home in Joliet, Illinois costs approximately $2,340 per month with 20% down at 7.32%. That is $1,368 principal and interest, $465 property tax, $98 homeowners insurance, $202 utilities and $208 set aside for maintenance.

What is the property tax rate in Joliet?

Joliet has an effective property tax rate of 2.240%, based on a median home value of $248,600 and median real estate taxes of $5,569. That is lower than the Will County average of 2.347%.

What is the average home price in Joliet?

The median owner-occupied home value in Joliet, Illinois is $248,600, against $298,000 across Will County.

Is it cheaper to rent or buy in Joliet?

Median gross rent in Joliet is $1,237 a month, against $2,340 to own the median home all in. Renting costs less month to month here, though renting builds no equity.

What salary do you need to buy a home in Joliet?

Using the standard 28% rule, housing costs at no more than 28% of gross income, buying the median home in Joliet, Illinois at today's rate takes a household income of roughly $100,500 a year. That covers the full $2,340 monthly cost, not just the mortgage payment.

Sources & methodology

  • Median home value, real estate taxes, gross rent and population for Joliet, 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