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