County Tax Calculators
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    Cook County, Illinois

    Cook County
    tax calculators for 2026.

    Estimate property and sales tax in Cook County. The county has an average effective property tax rate of 1.98% and a typical combined sales tax of 10.25%.

    Cook County Property Tax

    Estimate annual property tax in Cook County from your home's value.

    Cook County Sales Tax

    Add the Cook County combined sales tax (10.25%) to any purchase.

    Taxes in Cook County

    Cook County sits in Illinois, so residents pay Illinois state taxes plus county and city rates. Property tax averages 1.98% of home value, and the combined sales tax is around 10.25%.

    For a complete picture, pair these with the Illinois state tax calculators. These tools are estimates — verify exact figures with the Cook County Assessor (cookcountyassessor.com).

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