DuPage County, IllinoisSales Tax Rate 2025

DuPage County, located in Northeastern Illinois, has sales tax rates ranging from 7.00% to 8.50%.

The sales tax rate in DuPage 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%
DuPage	0.00%
City + District Rates Range	0.75% – 2.25%
Combined Sales Tax Rates Range	7.00% – 8.50%

DuPage 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 DuPage County, Illinois?+

Businesses are required to collect sales tax in DuPage if they have a sales tax nexus in Illinois and sell to residents of DuPage, whether at a physical location 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, then it means you have a physical nexus and you must collect sales tax from customers in DuPage.

Economic Nexus: This is based on the volume of sales or the 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 DuPage.