Westmont, Illinois sales tax rate: 8.25%
Last updated Checked monthly
The sales tax rate in Westmont, Illinois is 8.25%. That’s the 6.25% state rate plus 2% in local taxes. It’s higher than 185 of the 331 Illinois cities we checked, and 54 other cities pay the same.
Calculated by the 
Sales Tax APIThe same engine Zamp customers use.Westmont combined rate
8.25%
- Illinois state
- 6.25%
- WestmontCity
- 1%
- Dupage County NitaSpecial district
- 1%
Westmont sales tax calculator
Enter a price and what you’re selling.
- IllinoisState · 6.25%$6.25
- Westmont Village (Dupage County)City · 1%$1.00
- Dupage County NitaSpecial district · 1%$1.00
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoWestmont sales tax rate breakdown
State, city and special district taxes add up to 8.25%. District lines don’t follow city limits, so some Westmont addresses pay a different rate.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of Illinois | State | 6.25% |
| Westmont Village (Dupage County) | City | 1% |
| Dupage County Nita | Special district | 1% |
| Combined rate | 8.25% |
Rate history
- July 20237.5%
- July 20247.5%
- July 20258%
- July 20268%
- Today8.25%
Changed since July 2023.
Sales tax near Westmont
Closest cities
- Hinsdale2 mi8.25%
- Oakbrook Terrace4 mi8.25%
- Lombard6 mi8.25%
- Hodgkins6 mi10.25%
- Brookfield7 mi10.25%
- Glen Ellyn7 mi8.5%
- Elmhurst7 mi8.75%
- Berkeley7 mi10.25%
Elsewhere in DuPage County
- Naperville8%
- Wheaton8.5%
- Elmhurst8.75%
- Lombard8.25%
- Glendale Heights8.75%
- Glen Ellyn8.5%
- West Chicago8.75%
- Bensenville8.25%
- Hinsdale8.25%
- Warrenville8.5%
- Wood Dale8.25%
- Oakbrook Terrace8.25%
Charge the right rate in Westmont, on every order.
Zamp calculates tax at each customer’s address, special districts included, then files and pays every Illinois return for you, with a sales tax team you can call.
Westmont sales tax questions.
Still have questions? Call us at 1-866-438-9267 or email us at support@zamp.com.
What is the sales tax rate in Westmont, Illinois?
The combined sales tax rate in Westmont is 8.25% as of November 2, 2026. It’s made up of 6.25% Illinois state tax, 1% Westmont Village (Dupage County), 1% Dupage County Nita.
Why does Westmont pay Dupage County Nita tax?
A special district such as Dupage County Nita levies its own sales tax on top of the state and city rates. District lines don’t always follow city limits, so an address a few streets away can have a different rate. This rate was calculated for Westmont’s 60559 ZIP code; the calculator prices any exact address.
Is SaaS taxable in Westmont?
No.
Do online sellers have to collect sales tax in Westmont?
Yes, if they have nexus in Illinois: more than $100,000 in Illinois sales in the previous or current calendar year, or a physical presence in the state. They register with the Illinois Department of Revenue and charge the rate at the buyer’s address.
Sources. Illinois Department of Revenue · Zamp Sales Tax API, for Westmont’s 60559 ZIP code. Rates are checked monthly and are for information, not tax advice.
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