Sales tax United States · Rates as of 1 July 2026
Illinois Sales Tax Rate (2026)
Illinois sales tax is 6.25% statewide; with city and county taxes the average combined rate is 8.98%. Use the calculator to add or remove tax from any price.
Illinois sales tax calculator
Your exact rate depends on the city and county of the sale; enter it above if you know it.
How Illinois sales tax works
Illinois removed its 1% state tax on groceries from 1 January 2026, but many cities chose to levy their own grocery tax instead. Chicago has one of the highest combined rates in the US.
To calculate it, multiply the price by the rate: tax = price × 8.98 ÷ 100. A $40 purchase at the average combined rate carries $3.59 tax, for $43.59 in total. To strip tax out of a receipt total, divide by 1.0898.
Illinois sales tax on common amounts
| Price | Tax at 6.25% (state) | Tax at 8.98% | Total at 8.98% |
|---|---|---|---|
| $10.00 | $0.63 | $0.90 | $10.90 |
| $25.00 | $1.56 | $2.25 | $27.25 |
| $50.00 | $3.13 | $4.49 | $54.49 |
| $100.00 | $6.25 | $8.98 | $108.98 |
| $250.00 | $15.63 | $22.45 | $272.45 |
| $500.00 | $31.25 | $44.90 | $544.90 |
| $1,000.00 | $62.50 | $89.80 | $1,089.80 |
Illinois vs neighbouring states
| State | State rate | Avg. combined | Tax on $100 |
|---|---|---|---|
| Illinois | 6.25% | 8.98% | $8.98 |
| Wisconsin | 5% | 5.72% | $5.72 |
| Iowa | 6% | 6.94% | $6.94 |
| Missouri | 4.225% | 8.44% | $8.44 |
| Kentucky | 6% | 6% | $6.00 |
| Indiana | 7% | 7% | $7.00 |
Frequently asked questions
What is the sales tax rate in Illinois?
The Illinois state sales tax rate is 6.25%. Local taxes add an average of 2.73%, for an average combined rate of 8.98%.
How much is the sales tax on $100 in Illinois?
At the state rate, $6.25 (total $106.25). At the average combined rate, $8.98 (total $108.98).
How do I calculate Illinois sales tax?
Multiply the price by the rate as a decimal. Example: $50 × 8.98% = $4.49. To remove tax from a total, divide by (1 + rate): $100 ÷ 1.0898 = $91.76 before tax.
Is Illinois sales tax high?
Illinois ranks #8 of 50 states for average combined sales tax (1 = highest). The population-weighted US average combined rate is about 7.5%.
Sources
- Tax Foundation, State and Local Sales Tax Rates, Midyear 2026 (rates as of 1 July 2026; local rates are population-weighted averages).
- State departments of revenue for statewide rates and exemptions.
Rates change. Always confirm the exact rate for a specific address with the relevant tax authority before filing or invoicing.