Cook County Property Taxes
Effective Tax Rate
0.00%
117.6% above state avgMedian Annual Tax
$0
$504/mo escrow
Estimate Your Tax
Annual Tax
$0
Monthly
$0
Eff. Rate
1.98%
At a Glance
Median Home Value
$305,200
State avg $146,132
Tax w/ Mortgage/yr
$6,346
$529/mo escrow
Tax w/o Mortgage/yr
$5,496
$458/mo
State Tax Rate Rank
#69
of 102 counties (1 = lowest)
Homeowner context
What this means for a Cook County homeowner
Use these county medians as a planning baseline. Your actual bill depends on assessed value, exemptions, millage, and local taxing districts.
Tax pressure
1.98%
0.08 percentage points above the state average
Typical bill
$6,053
$3,271 above the state median
State position
#69
Ranked from lowest to highest effective rate across 102 Illinois counties.
Data Story
About Property Taxes in Cook County, Illinois
Cook County taxes slightly above national average
With an effective tax rate of 1.983%, Cook County sits above the national median of 1.56%, placing it in the 57th percentile nationally. The median property tax of $6,053 more than doubles the national median of $2,690, reflecting the county's substantially higher median home values at $305,200.
Above average within Illinois
Cook County ranks 40th among Illinois's 102 counties by effective tax rate at 1.983%, above the state average of 1.831%. Its median property tax of $6,053 is more than double the state median of $2,782, making it the highest in this eight-county group.
Highest actual taxes but moderate rate
Though Cook County's 1.983% effective rate is lower than Cass County (2.102%) and Champaign County (2.070%), its median property tax of $6,053 is by far the highest due to much higher home values. The county's substantial property wealth drives the absolute tax bill higher than all regional peers.
What an average Cook County home costs annually
The median Cook County home valued at $305,200 generates an estimated $6,053 in annual property taxes—triple the median in Cass County. Homeowners with mortgages pay $6,346, while those without mortgages pay $5,496.
High home values mean bigger reassessment savings
Cook County homeowners can appeal their property assessments with the county assessor's office at no cost. Given Cook County's high property values and tax bills, a successful appeal reducing your rate by even a fraction of a percent could save $1,000 or more annually.
How Cook County Compares
Median Annual Property Tax
Cook County
1.98%
Effective rate
Illinois Avg
1.90%
Effective rate
National Avg
0.91%
Effective rate
Frequently Asked Questions
What is the property tax rate in Cook County, Illinois?
How much are property taxes in Cook County?
How does Cook County compare to the Illinois average?
What is the median home value in Cook County, Illinois?
Why is Cook County property tax rate higher than the Illinois average?
How does Cook County rank for property taxes in Illinois?
Counties with Similar Tax Rates
Nearby Counties
Other Counties in Illinois
Data updated: March 2026
Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates. Effective tax rate is calculated as median property tax divided by median home value.
Estimates are informational only and are not tax, legal, financial, or assessment appeal advice. Verify parcel-specific amounts with the county assessor or tax collector.