Illinois Sales Tax Rates: Grundy County
Grundy County, Illinois Sales Tax Rate 2026 Up to 9%
While many counties do levy a countywide sales tax, Grundy County does not. The Illinois sales tax of 6.25% applies countywide. Some cities and local governments in Grundy County collect additional local sales taxes, which can be as high as 2.75%.
Here's how Grundy County's maximum sales tax rate of 9% compares to other counties around the United States:
- Higher maximum sales tax than 66% of Illinois counties
- Higher maximum sales tax than 79% of counties nationwide
Tax Rates By City in Grundy 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 Grundy County collects an additional N/A, so the minimum sales tax rate in Grundy County is 6.25% (not including any city or special district taxes). This table shows the total sales tax rates for all cities and towns in Grundy County, including all local taxes.
| City | Sales Tax Rate | Tax Jurisdiction |
|---|---|---|
| Morris | 7.25% | Channahon |
| Minooka | 9% | Joliet |
| Coal City | 7% | Regional Transport Authority Rta |
| Gardner | 6.25% | Grundy |
| Mazon | 6.25% | Grundy |
| Braceville | 7% | Regional Transport Authority Rta |
| Verona | 6.25% | Grundy |
| South Wilmington | 6.25% | Grundy |
| Kinsman | 6.5% | La Salle |
Illinois Sales Tax Rates by Zip Code:
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Grundy County, Illinois has a maximum sales tax rate of 9% and an approximate population of 44,618.
Sales tax rates in Grundy County are determined by five different tax jurisdictions, Channahon, Grundy, Joliet, La Salle and Regional Transport Authority Rta.
Back to Illinois Sales Tax Handbook Sales tax rates for Grundy County are current as of June 2026
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