Lake County Sales Tax Rates for 2021

Lake County in Illinois has a tax rate of 7% for 2021, this includes the Illinois Sales Tax Rate of 6.25% and Local Sales Tax Rates in Lake County totaling 0.75%. You can find more tax rates and allowances for Lake County and Illinois in the 2021 Illinois Tax Tables.

How Does Sales Tax in Lake County compare to the rest of Illinois?

Lake County Sales Rates: This image illustrates a calculator robot calculating Lake County sales tax manually using the Lake County Sales Tax Formula. You can use this information to calculate Lake County Sales Tax manually or use the Lake County Sales Tax Calculator to calculate sales tax online.

Illinois has 802 seperate areas each with their own Sales Tax rates with the lowest Sales Tax rate in Illinois being 6.25% and the highest Sales Tax rate in Illinois at 10%.

How is Sales Tax Calculated in Lake County, Illinois

Sales Tax in Lake County, Illinois is calculated using the following formula:

Sales Tax Rate = s + c + l + sr


  • s = Illinois State Sales Tax Rate (6.25%)
  • c = County Sales Tax Rate
  • l = Local Sales Tax Rate
  • sr = Special Sales Tax Rate

You can calculate Sales Tax manually using the formula or use the Lake County Sales Tax Calculator or compare Sales Tax between different locations within Illinois using the Illinois State Sales Tax Comparison Calculator.

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