Illinois sales tax at a glance
Illinois's typical combined rate of 8.98% ranks 8th highest among the 50 states. Illinois eliminated its 1% state grocery tax on January 1, 2026, but many localities imposed their own local grocery taxes in its place. Chicago's combined rate is 10.25%.
What sales tax adds at the register
At the average combined rate of 8.98%:
| Price | Sales tax | Total |
|---|---|---|
| $25 | $2.25 | $27.25 |
| $100 | $8.98 | $108.98 |
| $500 | $44.90 | $544.90 |
| $2,000 | $179.60 | $2,179.60 |
Frequently asked questions
+What is the sales tax in Illinois in 2026?
Illinois's state sales tax is 6.25%. Cities, counties and districts add local taxes averaging 2.73% (population-weighted), for a typical combined rate of 8.98% — and up to 11% in the highest-tax localities. Illinois eliminated its 1% state grocery tax on January 1, 2026, but many localities imposed their own local grocery taxes in its place. Chicago's combined rate is 10.25%.
+How do I calculate Illinois sales tax backwards from a total?
Divide the total by 1 plus the rate as a decimal. At 8.98%, a $108.98 total means a $100.00 price and $8.98 tax. Choose "Total after tax (reverse)" above to do it automatically.
+Do online orders charge Illinois sales tax?
Yes. Since the Wayfair decision, large online sellers must collect Illinois sales tax based on your delivery address — the same state and local rate you'd pay in a store.
+Is the rate the same everywhere in Illinois?
No. Local rates vary by city and county, from 6.25% (state only) up to about 11%. Use a recent receipt or your state revenue department's lookup for your exact address.
Rates as of July 1, 2026, from state revenue departments compiled by the Tax Foundation; local averages are population-weighted. Product exemptions (groceries, clothing, medicine) vary by state. Estimates only — see our terms.