Cost of Living in Lake County, IL

Modeled annual cost: $61,624.

Median family income: $132,828.

Affordability Snapshot

IL County Median

$46,460

State Rank

2thMost expensive counties in IL out of 102See Illinois county rankings

Median Income

$132,828

Location Type

Metro

Biggest category:

Housing is the biggest expense in Lake County, IL.

$17,837 per year.

Cost breakdown

Total

$61,624

Per year

  • Housing:$17,837
  • Taxes:$13,795
  • Transport:$13,316
  • Other Costs:$6,978
  • Healthcare:$5,060
  • Food:$4,639
  • Childcare:$0

* Percentages may not add up to 100% due to rounding.

See how Lake County, IL compares across the country.

Explore our cost of living interactive map to compare Lake County, IL with multiple counties in the United States.

How WatchPennies calculates salary needed
Cost of Living in Lake County, IL (2026)