Verified April 2026
Illinois Sales Tax Rates: 2026 County Guide
Complete sales tax breakdown for all 93 counties in Illinois. Select a county to see city-level rates and How-To guides.
Rates verified: March 2026
Combined Rate
9.000%
State6.300%
Illinois Base State Tax Rate
| Jurisdiction | Rate |
|---|---|
| Illinois State Sales Tax | 6.300% |
| Total Combined Rate | 9.000% |
Economic Nexus Threshold
If your business exceeds
$100,000
in annual Illinois sales or
200 transactions,
you must register and collect sales tax — even from out of state.
Avg Local Tax Rate
The average combined local tax rate across Illinois is
2.70%.
The highest local rate is 4.80%.
All 93 Illinois Counties
Adams
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Alexander
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Bond
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Boone
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Brown
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Bureau
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Calhoun
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Carroll
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Cass
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Champaign
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Christian
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Clark
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Clay
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Clinton
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Coles
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Cook
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Crawford
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Cumberland
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De Witt
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DeKalb
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Douglas
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DuPage
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Edgar
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Edwards
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Effingham
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Fayette
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Ford
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Franklin
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Gallatin
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Greene
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Grundy
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Hancock
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Hardin
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Henderson
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Iroquois
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Jackson
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Jasper
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Jefferson
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Jersey
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Jo Daviess
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Johnson
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Kane
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Kankakee
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Kendall
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Knox
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Lake
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LaSalle
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Lawrence
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Lee
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Livingston
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Logan
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Macoupin
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Marion
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Mason
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Massac
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McDonough
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McHenry
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McLean
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Menard
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Mercer
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Monroe
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Montgomery
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Morgan
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Moultrie
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Ogle
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Peoria
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Perry
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Piatt
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Pike
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Pope
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Pulaski
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Putnam
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Randolph
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Richland
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Rock Island
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Saline
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Sangamon
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Schuyler
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Scott
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Shelby
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St. Clair
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Stark
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Stephenson
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Tazewell
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Union
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Vermilion
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Wabash
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Washington
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White
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Whiteside
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Will
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Williamson
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Woodford
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Sales Tax Calculator
Using 9.000% rate for Illinois
$
Tax Amount
$0.00
Total with Tax
$100.00
Rate applied: 9.000% combined