City rate guide · Reviewed August 11, 2026
Round Lake Park, Illinois Sales Tax Rate
The combined sales tax rate in Round Lake Park, Illinois is 7.25% as of 2026. That includes the Illinois state rate of 6.25%.
Located in Lake County.
Sales tax calculator for Round Lake Park
- Sales tax (7.25%)
- $7.25
- Total with tax
- $107.25
How this rate is composed
The Illinois state sales tax rate is 6.25%. The combined 7.25% rate for Round Lake Park comes from Illinois DOR machine-readable rate file (ORDMACHE) (2026 Q3).
Combined general-merchandise retailers' occupation tax rate for the municipality or unincorporated county area.
Business-district and home-rule address-level layers can change the rate at specific addresses; grocery rates differ.
Rates change on official schedules — confirm the current rate and effective date against the source above before filing.
Related local sales tax rates in Illinois
Compare the county and same-type jurisdictions with the closest combined rates.
Round Lake Park sales tax questions
What is the sales tax rate in Round Lake Park, Illinois?
The combined sales tax rate is 7.25%. It includes the Illinois state rate of 6.25% and applicable local rates.
How much sales tax is charged on a $100 purchase in Round Lake Park?
At the 7.25% combined rate, a $100 taxable purchase produces $7.25 in sales tax.
When was the Round Lake Park sales tax rate reviewed?
Prophit.ai reviewed this guide on 2026-08-11 using Illinois DOR machine-readable rate file (ORDMACHE). Confirm the official source before filing because rates can change.
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