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Cook County Government's Property Taxes

Extension ÷ Property Tax Base = Property Tax Rate
%

Cook County Government administers the property taxes for all the taxing districts in Cook County. The Cook
County government property tax levy is just 5% of all taxes levied by all the taxing districts in Cook County.

The graph below shows Cook County Government's reliance on property taxes has been relatively flat for decades.
Given a flat Extension (total property tax dollars billed), changes in the tax base drive changes in the rate.

Extension (total property tax dollars billed) for Cook County

1980 1985 1990 1995 2000 2005 2010 2015 2020
$1.5B 2009: 2013:

$0.7B
Cook County Extension $1.0B
$0.7B

$0.5B

$0.0B

Property Tax Base (Equalized Assessed Value) of Cook County

$200B In 2009, property
values (and EAV) grew
to $175B.
Cook County Base (EAV) $100B By 2013, the
$150B

base shrank
to $126B.
$50B

$0B
Property Tax Rate for Cook County Taxing District And in 2013, the

%
1.25%
Property Tax Rate for Cook County Taxing District 1.00% In 2009, the rate rate increased to
0.56%.
0.75%

0.50%
0.25%
0.00%
2005
1980 1985 1990 1995 shrank to 0.39%. 2010 2015 2020
2000
Download this data and more from the Cook County Assessor's Property Tax Rate Simulator Tool,
available at www.cookcountyassessor.com/property-tax-rate-simulator-tool

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