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Williamson County, Illinois sales tax rates

Williamson County sales tax range for 2024

9.5%

Illinois

6.25%

Williamson County

1.0%

Marion

2.25%

Total rate range

9.5%

*Rates are rounded to the nearest hundredth. Due to varying local sales tax rates, we strongly recommend our lookup and calculator tools on this page for the most accurate rates.

Williamson County sales tax details

The minimum combined 2024 sales tax rate for Williamson County, Illinois is 9.5%. This is the total of state, county, and city sales tax rates. The Illinois sales tax rate is currently 6.25%. The Williamson County sales tax rate is 1.0%. 

Sales tax rate lookup and sales tax item calculator

Look up the current rate for a specific address using the same geolocation technology that powers the Avalara AvaTax rate calculation engine.

Tax rates can vary within a county, a city, or even a ZIP code. Using a street address helps to ensure more accurate rates and calculations when compared to relying on broader geographic indicators.

 

*Rates are rounded to the nearest hundredth.

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Tax jurisdiction breakdown

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Minimum combined sales tax rate

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See your sales tax rate applied to any item price. Enter a numerical value with no commas or spaces.

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Automate your calculations

AvaTax offers street-level precision at the point of sale, eliminating the need to look up rates or maintain a database. Rate updates are pushed to your system automatically, based on the latest jurisdiction rules and regulations.

Locations related to Williamson County

Note: There can be variations within city and county lines. For more accurate rates, use the sales tax calculator.

ZIP codes in Williamson County

62841 62915 62918 62921 62922 62933 62948 62949 62951 62959 62974
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