Illinois Sales Tax Rates: Mchenry County
Mchenry County, Illinois Sales Tax Rate 2026 Up to 8.5%
A county-wide sales tax rate of 0.25% is applicable to localities in Mchenry County, in addition to the 6.25% Illinois sales tax.
Some cities and local governments in Mchenry County collect additional local sales taxes, which can be as high as 2%.Here's how Mchenry County's maximum sales tax rate of 8.5% compares to other counties around the United States:
- Lower maximum sales tax than 52% of Illinois counties
- Higher maximum sales tax than 72% of counties nationwide
Tax Rates By City in Mchenry 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 Mchenry County collects an additional 0.25%, so the minimum sales tax rate in Mchenry County is 6.5% (not including any city or special district taxes). This table shows the total sales tax rates for all cities and towns in Mchenry County, including all local taxes.
| City | Sales Tax Rate | Tax Jurisdiction |
|---|---|---|
| Crystal Lake | 8.5% | Crystal Lake |
| Mchenry | 8.25% | Bull Valley |
| Algonquin | 8.25% | Algonquin |
| Woodstock | 8.5% | Crystal Lake |
| Lake In The Hills | 8.5% | Crystal Lake |
| Cary | 8.5% | Crystal Lake |
| Huntley | 8.25% | Algonquin |
| Mchenry | 8.25% | Johnsburg |
| Harvard | 8.25% | Harvard |
| Marengo | 8.25% | Marengo |
| Wonder Lake | 8.25% | Bull Valley |
| Spring Grove | 8.25% | Spring Grove |
| Island Lake | 7.25% | Regional Transport Authority Rta |
| Fox River Grove | 8.25% | Fox River Grove |
| Richmond | 8.25% | Richmond |
| Hebron | 7.25% | Regional Transport Authority Rta |
| Union | 7.25% | Regional Transport Authority Rta |
| Ringwood | 7.25% | Regional Transport Authority Rta |
Illinois Sales Tax Rates by Zip Code:
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Mchenry County, Illinois has a maximum sales tax rate of 8.5% and an approximate population of 294,687.
Sales tax rates in Mchenry County are determined by ten different tax jurisdictions, Algonquin, Bull Valley, Crystal Lake, Fox River Grove, Harvard, Johnsburg, Marengo, Regional Transport Authority Rta, Richmond and Spring Grove.
Back to Illinois Sales Tax Handbook Sales tax rates for Mchenry County are current as of June 2026
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