The sales tax rate in Chicago, Illinois is 10.25%. That is made up of the 6.25% Illinois state sales tax plus about 4% in local city and county taxes. On a $100 purchase you pay $10.25 in sales tax, for a total of $110.25.
When you buy something in Chicago, the price at the register includes a combined sales tax of 10.25%. That figure layers local Chicago city and county taxes of about 4% on top of the Illinois state base rate of 6.25%. The exact rate can vary slightly by special taxing district within the city, so always confirm the rate shown at checkout for your specific address.
To work out the tax on any purchase, multiply the price by 10.25%. A few quick examples for Chicago:
| Purchase price | Sales tax (10.25%) | Total |
|---|---|---|
| $20 | $2.05 | $22.05 |
| $50 | $5.13 | $55.13 |
| $100 | $10.25 | $110.25 |
| $500 | $51.25 | $551.25 |
| $1,000 | $102.50 | $1,102.50 |
Compare Chicago with the rest of the state on the Illinois sales tax page, or see every state on the sales tax by state hub. To work out your true out-the-door price after a discount, pair this with the discount calculator.
The combined sales tax rate in Chicago, IL is 10.25%, which includes the 6.25% Illinois state rate and about 4% in local taxes.
Multiply the price by 10.25% (i.e. by 0.1025). For example, a $50 item has $5.13 of sales tax, for a total of $55.13.
Divide the tax-inclusive total by 1.1025. The result is the pre-tax price and the remainder is the 10.25% tax.
No. Illinois charges a 6.25% state rate, and Chicago adds local taxes on top for a 10.25% combined rate.