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Illinois Sales Tax Calculator.

Invoicing clients or selling to customers and need to know how much sales tax to charge? Use our simple sales tax calculator to work out how much sales tax you should charge your clients. Input the amount and the sales tax rate, select whether to include or exclude sales tax, and the calculator will do the rest. If you don’t know the rate, download the free lookup tool on this page to find the right combined Illinois state and local rate.

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Amount of sales tax:
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Net amount:
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What is the sales tax rate in Illinois?

How much is sales tax in Illinois?

The base state sales tax rate in Illinois is 6.25%. Local tax rates in Illinois range from 0% to 4.75%, making the sales tax range in Illinois 6.25% to 11%.

Find your Illinois combined state and local tax rate.

Illinois sales tax rates vary depending on which county and city you’re in, which can make finding the right sales tax rate a headache. That’s why we came up with this handy Illinois sales tax calculator.

Simply download the lookup tool and enter your state, in this case Illinois. Add your county or city - and the tool will do the rest.

Download lookup tool→

Illinois sales tax

How to calculate Illinois sales tax?

To calculate the right sales tax in Illinois you’ll need to add up the state, county and city rates for your location. The easiest way to do this is by downloading our lookup tool to get the detail you need in seconds.

Download lookup tool→

Once you’ve found the correct sales tax rate for your area, you need to figure out how much to charge each customer on their purchases.

Use the sales tax formula below, or the handy calculator at the top of the page, to get the tax detail you need.

Sales tax = total amount of sale x sales tax rate

calculate Illinois sales tax

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Illinois sales tax rates by city.

This table shows the minimum combined sales tax rates for cities in Illinois. Rates can vary street by street, so for more precise information, check your local government tax website.
CityMinimum combined rateCityMinimum combined rate

Arlington Heights

10%

Naperville

7.75%

Aurora

8.25%

Normal

8.75%

Berwyn

10.75%

Oak Lawn

9.75%

Bloomington

8.75%

Oak Park

10%

Bolingbrook

8.5%

Orland Park

9.75%

Champaign

9%

Palatine

10%

Chicago

10.25%

Peoria

10%

Cicero

10.75%

Rockford

8.75%

Decatur

9.25%

Schaumburg

10%

Des Plaines

10%

Skokie

10.25%

Elgin

8.5%

Springfield

9.75%

Evanston

10.25%

Tinley Park

9.75%

Hoffman Estates

10%

Waukegan

8.5%

Joliet

8.75%

Wheaton

8%

Mount Prospect

10%

Illinois sales tax rates by county.

This table shows the minimum combined sales tax rates for counties in Illinois. Rates can vary street by street, so for more precise information, check your local government tax website.
CountyMinimum combined rateCountyMinimum combined rate

Adams County

6.5%

Madison County

6.6%

Boone County

7.75%

Mchenry County

8%

Champaign County

9%

Mclean County

6.25%

Coles County

7.25%

Ogle County

6.25%

Cook County

10.25%

Peoria County

7.25%

Dekalb County

8%

Rock Island County

8.5%

Dupage County

8%

Sangamon County

9.75%

Jackson County

7.25%

St Clair County

6.6%

Kane County

7%

Tazewell County

6.75%

Kankakee County

7.25%

Vermilion County

6.5%

Kendall County

7.25%

Whiteside County

7.25%

Knox County

7.75%

Will County

8%

Lake County

7%

Williamson County

9.5%

Lasalle County

6.5%

Winnebago County

7.75%

Macon County

9.25%

Illinois sales tax FAQs.

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