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Illinois Sales Tax Calculator

Illinois charges a 6.25% state sales tax, and cities, counties and districts add 2.73% on average. That makes an average combined rate of 8.98%, the 8th highest of the 50 states and DC.

8.98%Average combined rate: 6.25% state + 2.73% local

Your purchase

$ The listed price. Sales tax is added on top.
Illinois: 6.25% state rate. Local taxes average 2.73%, for a combined 8.98% on average.
%
Starts at the state's average local rate. Enter your city or county rate if you know it, or pick State rate only.
Total after tax
$108.98

Price before tax
$100.00
Sales tax
$8.98
Total after tax
$108.98
Effective tax rate
8.98%

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Illinois sales tax rates

State rate6.25%Tied for the 13th highest of 51
Average local rate2.73%Cities, counties and districts
Average combined rate8.98%The 8th highest of 51

Rates as of July 1, 2026, from the Tax Foundation. The local average is weighted by population, so your city or county can be higher or lower. Check the Illinois revenue department for the exact rate at an address.

Sales tax on common prices in Illinois

Tax and total at the average combined rate of 8.98%, plus the total at the 6.25% state rate alone, for places without a local tax.

PriceSales taxTotalState rate only
$10.00$0.90$10.90$10.63
$20.00$1.80$21.80$21.25
$25.00$2.25$27.25$26.56
$50.00$4.49$54.49$53.13
$100.00$8.98$108.98$106.25
$200.00$17.96$217.96$212.50
$500.00$44.90$544.90$531.25
$1,000.00$89.80$1,089.80$1,062.50
$2,500.00$224.50$2,724.50$2,656.25
$5,000.00$449.00$5,449.00$5,312.50

How to work out Illinois sales tax

Multiply the price by the rate as a decimal. At 8.98%, a $100.00 purchase has $100.00 × 0.0898 = $8.98 of tax, so you pay $108.98. To get the price before tax out of a receipt, divide by 1 plus the rate: a total of $100.00 was $91.76 before tax.

Illinois compared with neighboring states

Average combined rates in the states that border Illinois, with the tax on a $100.00 purchase.

StateState rateCombinedTax on $100
Wisconsin5.00%5.72%$5.72
Kentucky6.00%6.00%$6.00
Iowa6.00%6.94%$6.94
Indiana7.00%7.00%$7.00
Missouri4.225%8.44%$8.44
Illinois6.25%8.98%$8.98

Buying a car? Sales tax on the price adds to what you finance, and the car loan calculator shows the monthly payment. For a sale price, start with the discount calculator.

Frequently asked questions

What is the sales tax rate in Illinois?

The state rate is 6.25%. Local taxes add 2.73% on average, for an average combined rate of 8.98%. Your exact rate depends on the city, county and district where you buy.

How much is the sales tax on $100.00 in Illinois?

At the average combined rate of 8.98%, the tax on $100.00 is $8.98, for a total of $108.98. At the 6.25% state rate alone it would be $6.25.

How does Illinois compare with its neighbors?

Average combined rates in the neighboring states: Wisconsin 5.72%, Kentucky 6%, Iowa 6.94%, Indiana 7%, Missouri 8.44%. Illinois averages 8.98%.