Cook County, IllinoisSales Tax Rate 2024

Cook County, located at the center of the Chicago Metropolitan Area, has sales tax rates ranging from 9.00% to 11.5%.
The sales tax rate in Cook County includes the Illinois state tax and the county’s specific combined local sales tax rates. Certain jurisdictions levy special district taxes. The table below provides a breakdown of the sales tax rate by jurisdiction.
Illinois 6.25%
Cook County 1.75%
City + District Rates Range 1.00% – 3.50%
Combined Sales Tax Rates Range 9.00% – 11.50%

Cook County Sales Tax Calculator

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The TaxHero sales tax calculator provides a combined sales tax rate based on a full address lookup. A complete address ensures precision since ZIP codes may cross different tax jurisdictions. Results are for reference and may need additional context for compliance. Contact us today for a demo and learn how TaxHero can support your business.

Who Needs To Collect Sales Tax in Cook County, Illinois?+

Businesses are required to collect sales tax in Cook County if they have a sales tax nexus in Illinois and sell to residents of Cook County, whether at a physical location within the county or online.

Physical Nexus: This occurs when a business has a tangible presence in the state. Examples include having a store, warehouse, office, or employees in Illinois if your business operates any of these within the state, you have a physical nexus and must collect sales tax from customers in Cook County.
Economic Nexus: This is based on the volume of sales or number of transactions a business conducts in the state. For instance, if your business exceeds a certain threshold of sales or transactions in Illinois which is often defined as a specific dollar amount or number of transactions, you establish economic nexus. This means even if you don’t have a physical presence in the state, you are still required to collect sales tax from customers in Cook County.

City Sales Tax Rates in Cook County, IL+

Chicago
Cicero
Des Plaines
Evanston
Schaumburg
 

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