US • Taxes • Updated for 2026

Illinois Sales Tax Calculator 2026

Estimate Illinois sales tax using the 6.25% state rate plus local add-ons. Use city pages for exact combined rates (e.g. Chicago 10.25%).

Inputs

Enter purchase details to calculate sales tax.

Purchase Price

Enter the price before tax.

Results

Sales tax breakdown for Illinois.

Effective Tax Rate: 6.250%

This category is taxable under the configured rules.

Purchase Price$100.00

Sales Tax$6.25

Total Price$106.25

Rate Breakdown

State6.250%

County0.000%

City0.000%

Special District0.000%

Base combined6.250%

Total6.250%

Calculator inputs stay on your device (local processing).

Find your city

Get the exact combined sales tax rate for your city. Select a city below or use the search.

ChicagoSales tax calculator →

Disclaimer: All calculators on this website are provided for informational and illustrative purposes only. The results do not constitute professional advice (including legal, tax, financial, medical, or other advice). Despite careful programming, we assume no liability for the accuracy, completeness, or timeliness of the results. For matters requiring professional advice, we recommend consulting an appropriate specialist (e.g., a tax advisor, lawyer, accountant, or physician).

How This Calculator Works

Enter the purchase price and category (general, groceries, etc.).
Optionally adjust county, city, and special district rates if you know your local breakdown.
Tax = Price × (Total Rate / 100); total = Price + Tax.

Calculation Methodology

We calculate sales tax using the combined rate:

Total Rate: State + County + City + Special (e.g. RTA)
Tax Amount: Price × (Total Rate / 100)
Total Price: Price + Tax

Illinois Sales Tax Calculator 2026

Illinois' statewide sales tax rate is 6.25% in 2026. Counties, cities, and transit districts add local rates—combined rates run from 6.25% to over 10%. Chicago (Cook County) is 10.25%, Springfield and other areas vary. Use the calculator above for instant estimates or our city pages for exact combined rates.

Illinois Sales Tax Structure (2026)

Illinois has a 6.25% state sales tax. Counties, cities, and Regional Transportation Authorities (RTAs) can impose additional rates, so combined rates vary widely.

State rate: 6.25%
County/city/RTA add-ons: vary by locality (Cook County + Chicago can add ~4%)
Typical combined rate: 6.25% to 10.25% (Chicago area up to 10.25%)

Sales Tax Rates for Major Illinois Areas

Use city pages for the most accurate combined rate and a full breakdown.

Area	Example combined rate	Calculator
Chicago (Cook County)	10.25%	Chicago Sales Tax Calculator
Springfield	8.25%	—
Naperville	8%	—

How to Find Your Exact Illinois Sales Tax Rate

Combined rates vary by county, city, and RTA district. Use the calculator above with your known local rates, or look up your rate by address on the Illinois Department of Revenue Sales Tax lookup. For Chicago: Chicago Sales Tax Calculator, or browse Illinois tax calculators.

Frequently Asked Questions

Q:What is the Illinois state sales tax rate in 2026?

Illinois has a 6.25% statewide sales tax rate. Counties, cities, and RTAs add local rates; combined rates typically range from 6.25% to 10.25% (Chicago area up to 10.25%).

Q:Is Illinois sales tax the same in every county?

No. The state rate is 6.25% everywhere, but counties, cities, and Regional Transportation Authorities impose additional rates, so the combined rate varies by location.

Q:Are groceries taxed in Illinois?

Groceries (unprepared food for home consumption), drugs, and certain medical items are exempt from Illinois sales tax. Prepared food and candy may be taxable.