Deer Park, Illinois sales tax rate: 8.25%
Last updated Checked monthly
The sales tax rate in Deer Park, 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.Deer Park combined rate
8.25%
- Illinois state
- 6.25%
- Deer ParkCity
- 1%
- Lake County NitaSpecial district
- 1%
Deer Park sales tax calculator
Enter a price and what you’re selling.
- IllinoisState · 6.25%$6.25
- Deer Park Village (Lake County)City · 1%$1.00
- Lake County NitaSpecial district · 1%$1.00
Charging this at checkout? Zamp calculates it on every order and files the returns.
Book a demoDeer Park sales tax rate breakdown
State, city and special district taxes add up to 8.25%. District lines don’t follow city limits, so some Deer Park addresses pay a different rate.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of Illinois | State | 6.25% |
| Deer Park Village (Lake County) | City | 1% |
| Lake County Nita | Special district | 1% |
| Combined rate | 8.25% |
Rate history
- July 20238%
- July 20248%
- July 20258%
- July 20268%
- Today8.25%
Changed since July 2023.
Sales tax near Deer Park
Closest cities
- Kildeer2 mi8.25%
- Inverness4 mi9.25%
- Palatine4 mi10.25%
- Buffalo Grove6 mi8.25%
- Arlington Heights7 mi10.25%
- Vernon Hills8 mi7.5%
- Trout Valley9 mi7.5%
- Wheeling9 mi10.25%
Elsewhere in Lake County
- Waukegan8.75%
- Buffalo Grove8.25%
- Highland Park8.25%
- Round Lake Beach8.25%
- Vernon Hills7.5%
- Libertyville8.75%
- Round Lake8.25%
- Antioch8.25%
- Lincolnshire8.25%
- Lake Bluff8.25%
- Riverwoods8.25%
Charge the right rate in Deer Park, 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.
Deer Park 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 Deer Park, Illinois?
The combined sales tax rate in Deer Park is 8.25% as of November 2, 2026. It’s made up of 6.25% Illinois state tax, 1% Deer Park Village (Lake County), 1% Lake County Nita.
Why does Deer Park pay Lake County Nita tax?
A special district such as Lake 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 the centre of Deer Park; the calculator prices any exact address.
Is SaaS taxable in Deer Park?
No.
Do online sellers have to collect sales tax in Deer Park?
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 the centre of Deer Park. Rates are checked monthly and are for information, not tax advice.
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