Westmont, IllinoisSales Tax Rate 2025

Westmont is located in DuPage County, Illinois. The sales tax rate is 7.50%.

The total sales tax rate in Westmont comprises the Illinois state tax and any applicable special or district taxes. The city also imposes an additional sales tax of 0.50%. The table below provides a breakdown of the sales tax rate by jurisdiction.

Combined Sales Tax Rate	7.50%
Illinois	6.25%
DuPage County	0.00%
Westmont	0.50%
District / Special Tax	0.75%

Westmont 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.

Westmont District and Special Tax Rates+

If you make retail sales in Illinois subject to the state sales tax from a business located in a taxing district, district sales tax is generally due on your sales of tangible personal property. In Illinois, districts have varying sales tax rates.

To help you identify the correct sales tax rate in any city, you may look up the sales tax rate by address and ZIP code in our calculator.