Cost to Own
United States › Illinois › DuPage County › Downers Grove Population 49,867 Data vintage ACS 2023 5-Year Rates updated 2026-10-15
Before you budget for Downers Grove FEMA rates natural hazard risk in DuPage 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 Downers Grove, Illinois

A $439,000 home here costs

$3,774

per month, all in, with 20% down at today's 7.40% 30-year fixed rate. By the 28% rule that takes a household income of about $161,500 a year.

P&I 64%Tax 16%Insurance 5%Utilities 5%Upkeep 10%

A standard mortgage calculator would have told you $2,432. The real number is $1,342 higher every month, 55% more than the payment most buyers budget for.

Compare DuPage County with anywhere in America · full county breakdown

Downers Grove median: $439,000
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, $351,200 borrowed $2,432
Property tax1.649% effective rate for Downers Grove itself $603
Homeowners insuranceIllinois averages $1,223/yr (NAIC), or 0.47% of home value $172
Electricity19.22ยข/kWh, Illinois residential average, EIA $133
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $366
Total monthly $3,774

Downers Grove against DuPage County and Illinois

MeasureDowners GroveDuPage County
Median home value$439,000$374,100
Median property tax$7,237$7,833
Effective tax rate1.649%2.094%
Median gross rent$1,589$1,628
Population49,867927,263

The weather behind that power bill

Downers Grove sits in DuPage County, which averages a high of 84.4°F in its hottest month and a low of 14.7°F in its coldest, with 40.18" of precipitation a year and 34% of it in a single three-month stretch. That climate drives 775 cooling and 6,506 heating degree days, which is what sets the $133 electricity line above.

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

Other cities in DuPage County

Full DuPage County cost breakdown · Every county in Illinois

Talk to someone who works this market

These are Downers Grove 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 Downers Grove every week. Free, no obligation, and we never sell your details to a list.

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

Common questions

How much does it cost to own a home in Downers Grove?

A $439,000 home in Downers Grove, Illinois costs approximately $3,774 per month with 20% down at 7.4%. That is $2,432 principal and interest, $603 property tax, $172 homeowners insurance, $201 utilities and $366 set aside for maintenance.

What is the property tax rate in Downers Grove?

Downers Grove has an effective property tax rate of 1.649%, based on a median home value of $439,000 and median real estate taxes of $7,237. That is lower than the DuPage County average of 2.094%.

What is the average home price in Downers Grove?

The median owner-occupied home value in Downers Grove, Illinois is $439,000, against $374,100 across DuPage County.

Is it cheaper to rent or buy in Downers Grove?

Median gross rent in Downers Grove is $1,589 a month, against $3,774 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 Downers Grove?

Using the standard 28% rule, housing costs at no more than 28% of gross income, buying the median home in Downers Grove, Illinois at today's rate takes a household income of roughly $161,500 a year. That covers the full $3,774 monthly cost, not just the mortgage payment.

Sources & methodology

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