QuickCalc

Illinois Sales Tax Calculator

Work out the sales tax on any purchase in Illinois. The state rate is 6.25%, and the average combined state and local rate is 8.96%.

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Defaults to Illinois's average combined rate of 8.96%. Enter your local rate for an exact figure.
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Results update as you type. Estimates only — not tax advice. Wrong rate for Illinois? Tell us and we will correct it.

Illinois sales tax rates

MeasureRate
Statewide base rate6.25%
Average combined state + local rate8.96%
Range across the state6.25% – 10.25%

Sales tax in major Illinois cities

CityCombined rate
Chicago10.25%
Aurora8.25%
Naperville7.75%
Springfield8.75%

Representative rates. Local districts change them, so confirm the exact figure with the state revenue department or your city before relying on it.

What is taxed in Illinois?

CategoryTreatment
GroceriesReduced – local tax only
ClothingTaxed
Prescription drugsReduced – about 1%

What makes Illinois different

Illinois changed its grocery rules: from January 1, 2026 the 1% state tax on groceries was repealed, leaving only local grocery taxes, which run about 0% to 1% depending on the municipality.

Prescription and over-the-counter drugs are taxed at a reduced rate of about 1%, not the full rate.

Chicago has the highest combined rate of any major US city at 10.25%, combining the 6.25% state rate with substantial local add-ons. Rates in the rest of the state are far lower, which is why an Illinois average tells you very little about Chicago.

Frequently asked questions

What is the sales tax rate in Illinois?

The statewide base rate is 6.25%. Adding local taxes, the population-weighted average combined rate is 8.96%. What you actually pay depends on the district, and runs from about 6.25% – 10.25% across the state.

Is there sales tax on groceries in Illinois?

Partly. Groceries in Illinois are taxed at a reduced effective rate (local tax only).

Does Illinois charge sales tax on clothing?

Yes. Clothing are fully taxable in Illinois.

How do I calculate sales tax in Illinois?

Multiply the price by the total rate that applies where you are buying. For example, a $100 purchase at a combined rate of 8.96% comes to $108.96. Use the state average if you are estimating, and the exact local rate if the amount matters.

Which city in Illinois has the highest sales tax?

Of the cities shown above, Chicago is the highest at 10.25%, and Springfield the lowest at 8.75%. City rates change as local districts vote in new levies, so confirm before relying on any single figure.

Rate data: Tax Foundation, "State and Local Sales Tax Rates" (data as of January 1, 2026), and Wikipedia, "Sales taxes in the United States". Data as of January 2026. This page is general information, not tax advice.

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