Knox County Illinois Sales Tax Rate 2026 Illinois Sales Tax Rates: Knox County

Illinois:

Knox County, Illinois Sales Tax Rate 2026 Up to 10%

The Knox County Sales Tax is 1.5%

A county-wide sales tax rate of 1.5% is applicable to localities in Knox County, in addition to the 6.25% Illinois sales tax.

Some cities and local governments in Knox County collect additional local sales taxes, which can be as high as 2.25%.

Here's how Knox County's maximum sales tax rate of 10% compares to other counties around the United States:

  •   Higher maximum sales tax than 94% of Illinois counties
  •   Higher maximum sales tax than 90% of counties nationwide
Last updated June 2026

Tax Rates By City in Knox County, Illinois

The total sales tax rate in any given location can be broken down into state, county, city, and special district rates. Illinois has a 6.25% sales tax and Knox County collects an additional 1.5%, so the minimum sales tax rate in Knox County is 7.75% (not including any city or special district taxes). This table shows the total sales tax rates for all cities and towns in Knox County, including all local taxes.

City Sales Tax Rate Tax Jurisdiction
Galesburg 10% Galesburg North Seminary Street Business District Sp
Knoxville 8.75% Knoxville
Abingdon 8% Warren
Wataga 7.75% Knox
Oneida 7.75% Knox
Yates City 7.75% Knox
Dahinda 7.75% Knox
Gilson 7.75% Knox
Altona 8.75% Altona
Williamsfield 8.75% Williamsfield
East Galesburg 7.75% Knox
Maquon 7.75% Knox
Rio 7.75% Knox
Victoria 7.75% Knox
Galesburg 9% Galesburg
Saint Augustine 8% Warren
Henderson 7.75% Knox

Illinois Sales Tax Rates by Zip Code:

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Knox County, Illinois has a maximum sales tax rate of 10% and an approximate population of 40,447.

Sales tax rates in Knox County are determined by seven different tax jurisdictions, Altona, Galesburg, Galesburg North Seminary Street Business District Sp, Knox, Knoxville, Warren and Williamsfield.


  Back to Illinois Sales Tax Handbook Sales tax rates for Knox County are current as of June 2026
** This Document Provided By SalesTaxHandbook **
Source: http://www.salestaxhandbook.com/illinois/rates/knox-county