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Cook County, IL Property Tax Calculator

Cook County homeowners pay a median $6,191 a year in property tax, 1.91% of a median $324,500 home: below Illinois's 2.01% but above the national 0.94%.

At an effective rate of 1.91%, a $324,500 home pays about $6,191 a year in property tax, $516 a month.

Property tax a year
$6,191
A month (for escrow)
$516
Effective rate on the home
1.91%

Property tax in Cook County by home value, at 1.91%

Home valueA yearA month
$200,000$3,816$318
$300,000$5,724$477
$400,000$7,632$636
$500,000$9,540$795
$750,000$14,310$1,193
$1,000,000$19,080$1,590

Cook County against Illinois and the US

Effective rateMedian taxMedian home valueMedian household income
Cook County1.91%$6,191$324,500$83,498
Illinois2.01%$5,298$263,300$83,390
United States0.94%$3,119$332,700$80,734

How this calculator works

Median real estate taxes paid ÷ median home value in Cook County, from the Census Bureau's American Community Survey 2020–2024 5-year estimates. The calculator starts at the county's median home value and rate.

What it assumes

  • Cities, school districts and special districts within the county levy different rates, so bills vary within it.
  • Survey figures cover 2020 to 2024 and lag recent reassessments.

Questions people ask

What is the property tax rate in Cook County?

The effective rate is 1.91%: a median $6,191 a year on a median $324,500 home. That's the 24th highest of the 28 Illinois counties we cover.

How much is property tax on a $400,000 house in Cook County?

About $7,632 a year, $636 a month, at the county's effective rate, before any exemption.

How does Cook County compare with the rest of Illinois?

Its rate is below the state's 2.01%. Across Illinois, covered counties range from 1.58% to 2.58%.

How do I lower my Cook County property tax?

Apply for every exemption you qualify for, such as a homestead exemption, and appeal your assessment if it is higher than comparable homes sold nearby; the county assessor explains the deadlines.

Other Illinois counties

Related calculators

  • Illinois Property Tax CalculatorIllinois homeowners pay a median $5,298 a year in property tax, 2.01% of a median $263,300 home: the 2nd highest effective rate of the 50 states and DC.
  • Illinois Mortgage CalculatorYour monthly mortgage payment in Illinois, with Illinois's effective property tax rate (2.01%) built in, at this week's average rate. The calculator starts at the state's median home value, $263,300.
  • Home Affordability CalculatorThe home price your income supports under the 28/36 guideline lenders use, counting your other debts, down payment, taxes and insurance, at this week's average rate.

Sources

Updated by the RateHerald team. The maths is tested against worked examples; report a problem.