Illinois Sales Tax Rates: Lake County
Lake County, Illinois Sales Tax Rate 2026 Up to 10%
While many counties do levy a countywide sales tax, Lake County does not. The Illinois sales tax of 6.25% applies countywide. Some cities and local governments in Lake County collect additional local sales taxes, which can be as high as 3.75%.
Here's how Lake 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 Lake 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 Lake County collects an additional N/A, so the minimum sales tax rate in Lake 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 Lake County, including all local taxes.
| City | Sales Tax Rate | Tax Jurisdiction |
|---|---|---|
| Waukegan | 8.5% | Waukegan |
| Round Lake | 8% | Lakemoor |
| Buffalo Grove | 10% | Arlington Heights |
| Lake Zurich | 9% | Long Grove Rte 83 Bd Sp |
| Gurnee | 8.5% | Gurnee |
| Mundelein | 8.5% | Libertyville |
| Grayslake | 8% | Barrington |
| Lake Villa | 9% | Lake Villa Downtown Bd Sp |
| Highland Park | 9% | Highwood |
| Libertyville | 8.5% | Gurnee |
| Deerfield | 10% | Deerfield |
| Zion | 8.5% | Waukegan |
| Vernon Hills | 8.25% | Mundelein |
| Waukegan | 8.5% | Gurnee |
| Antioch | 9% | Antioch |
| Lake Forest | 8% | Green Oaks |
| Wauconda | 8% | Hawthorn Woods |
| North Chicago | 8.5% | Waukegan |
| Lake Bluff | 8% | Green Oaks |
| Ingleside | 8.5% | Fox Lake South Bd Sp |
| Wadsworth | 8.5% | Waukegan |
| Fox Lake | 8.5% | Fox Lake Central Bd Sp |
| Lincolnshire | 8% | Buffalo Grove |
| Winthrop Harbor | 7% | Regional Transport Authority Rta |
| Highwood | 9% | Highwood |
| Great Lakes | 8% | North Chicago |
| Russell | 7% | Regional Transport Authority Rta |
| North Chicago | 8% | North Chicago |
| Fort Sheridan | 8% | Lake Forest |
Illinois Sales Tax Rates by Zip Code:
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Lake County, Illinois has a maximum sales tax rate of 10% and an approximate population of 583,986.
Sales tax rates in Lake County are determined by twenty different tax jurisdictions, Antioch, Arlington Heights, Barrington, Buffalo Grove, Deerfield, Fox Lake Central Bd Sp, Fox Lake South Bd Sp, Green Oaks, Gurnee, Hawthorn Woods, Highwood, Lake Forest, Lake Villa Downtown Bd Sp, Lakemoor, Libertyville, Long Grove Rte 83 Bd Sp, Mundelein, North Chicago, Regional Transport Authority Rta and Waukegan.
Back to Illinois Sales Tax Handbook Sales tax rates for Lake County are current as of June 2026