Cost to Own
United StatesIllinoisLake CountyLake Bluff Population 5,834 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Lake Bluff, Illinois

A $739,000 home here costs

$5,820

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

A standard mortgage calculator would have told you $3,799. The real number is $2,021 higher every month — 53% more than the payment most buyers budget for.

Lake Bluff median: $739,400
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, $591,200 borrowed $3,799
Property tax1.353% effective rate for Lake Bluff itself $833
Homeowners insuranceIllinois averages $1,223/yr (NAIC), or 0.47% of home value $289
Electricity23.85¢/kWh — Illinois residential average, EIA $214
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $616
Total monthly $5,820

Lake Bluff against Lake County and Illinois

MeasureLake BluffLake County
Median home value$739,400$326,600
Median property tax$10,001$8,743
Effective tax rate1.353%2.677%
Median gross rent$1,826$1,434
Population5,834711,885

The weather behind that power bill

Lake Bluff sits in Lake County, which averages a high of 83.5°F in its hottest month and a low of 16.3°F in its coldest, with 39.51" of precipitation a year and 33% of it in a single three-month stretch. That climate drives 806 cooling and 6,366 heating degree days, which is what sets the $214 electricity line above.

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

Other cities in Lake County

Full Lake County cost breakdown · Every county in Illinois

Common questions

How much does it cost to own a home in Lake Bluff?

A $739,000 home in Lake Bluff, Illinois costs approximately $5,820 per month with 20% down at 6.66%. That is $3,799 principal and interest, $833 property tax, $289 homeowners insurance, $282 utilities and $616 set aside for maintenance.

What is the property tax rate in Lake Bluff?

Lake Bluff has an effective property tax rate of 1.353%, based on a median home value of $739,400 and median real estate taxes of $10,001. That is lower than the Lake County average of 2.677%.

What is the average home price in Lake Bluff?

The median owner-occupied home value in Lake Bluff, Illinois is $739,400, against $326,600 across Lake County.

Is it cheaper to rent or buy in Lake Bluff?

Median gross rent in Lake Bluff is $1,826 a month, against $5,820 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 Lake Bluff — 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