Round Lake, Illinois sales tax rate: 8.25%
Last updated Checked monthly
The sales tax rate in Round Lake, 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.Round Lake combined rate
8.25%
- Illinois state
- 6.25%
- Round LakeCity
- 1%
- Lake County NitaSpecial district
- 1%
Round Lake sales tax calculator
Enter a price and what you’re selling.
- IllinoisState · 6.25%$6.25
- Round Lake 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 demoRound Lake sales tax rate breakdown
State, city and special district taxes add up to 8.25%. District lines don’t follow city limits, so some Round Lake addresses pay a different rate.
| Jurisdiction | Type | Rate |
|---|---|---|
| State of Illinois | State | 6.25% |
| Round Lake Village (Lake County) | City | 1% |
| Lake County Nita | Special district | 1% |
| Combined rate | 8.25% |
Rate history
- July 20237%
- July 20247%
- July 20257%
- July 20268%
- Today8.25%
Changed since July 2023.
Sales tax near Round Lake
Closest cities
- Round Lake Beach3 mi8.25%
- Lakemoor5 mi8.5%
- Johnsburg8 mi8.5%
- Libertyville8 mi8.75%
- Antioch9 mi8.25%
- Vernon Hills10 mi7.5%
- Kildeer12 mi8.25%
- Waukegan12 mi8.75%
Elsewhere in Lake County
- Waukegan8.75%
- Buffalo Grove8.25%
- Highland Park8.25%
- Round Lake Beach8.25%
- Vernon Hills7.5%
- Libertyville8.75%
- Antioch8.25%
- Lincolnshire8.25%
- Lake Bluff8.25%
- Riverwoods8.25%
- Deer Park8.25%
Charge the right rate in Round Lake, 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.
Round Lake 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 Round Lake, Illinois?
The combined sales tax rate in Round Lake is 8.25% as of November 2, 2026. It’s made up of 6.25% Illinois state tax, 1% Round Lake Village (Lake County), 1% Lake County Nita.
Why does Round Lake 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 Round Lake’s 60073 ZIP code; the calculator prices any exact address.
Is SaaS taxable in Round Lake?
No.
Do online sellers have to collect sales tax in Round Lake?
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 Round Lake’s 60073 ZIP code. Rates are checked monthly and are for information, not tax advice.
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