Free Illinois Sales Tax Calculator
Illinois combined sales tax rate is 8.74% — 6.25% state plus 2.49% average local. Rates updated for 2025.
Tax Rate
State Rate
6.25%
Avg Local
2.49%
Combined
8.74%
State rates sourced from Tax Foundation 2025 data. Local rates are averages — your exact rate may vary by city and county. Always verify with your state's revenue department for compliance.
Illinois Sales Tax — Common Questions
What is the sales tax rate in Illinois?
The combined Illinois sales tax rate is 8.74% — 6.25% state rate plus an average local rate of 2.49%. Your exact rate may be higher or lower depending on your city and county.
How do I calculate sales tax in Illinois?
Multiply your pre-tax price by 0.0874 to get the tax amount, then add it to the original price for the total. For example, a $100 purchase in Illinois adds $8.74 in tax for a total of $108.74.
Are groceries taxed in Illinois?
Grocery tax rules vary by state. Illinois has a base state rate of 6.25%, but many states exempt groceries or tax them at a reduced rate. Check the Illinois Department of Revenue for current grocery tax exemptions.