Illinois Sales Tax Rates: St Clair County
St Clair County, Illinois Sales Tax Rate 2026 Up to 9.85%
While many counties do levy a countywide sales tax, St Clair County does not. The Illinois sales tax of 6.25% applies countywide. Some cities and local governments in St Clair County collect additional local sales taxes, which can be as high as 3.6%.
Here's how St Clair County's maximum sales tax rate of 9.85% compares to other counties around the United States:
- Higher maximum sales tax than 88% of Illinois counties
- Higher maximum sales tax than 88% of counties nationwide
Tax Rates By City in St Clair 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 St Clair County collects an additional N/A, so the minimum sales tax rate in St Clair 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 St Clair County, including all local taxes.
| City | Sales Tax Rate | Tax Jurisdiction |
|---|---|---|
| O Fallon | 9.35% | O Fallon Park Place Business District |
| Belleville | 9.1% | Bellevillefrank Scott Pky Bus |
| Belleville | 9.1% | Bellevillecarlylegreen Mt Bus |
| East Saint Louis | 8.35% | Metro East Mass Transit District |
| Belleville | 8.1% | Metro East Mass Transit District |
| Belleville | 9.1% | Belleville Shopland Plaza Bd Sp |
| Fairview Heights | 9.35% | Fairview Heights Lincoln Highway And 159 Business District |
| East Saint Louis | 8.85% | East Saint Louis |
| East Saint Louis | 9.85% | East Saint Louis State Street Business District Sp |
| Mascoutah | 8.6% | Mascoutah |
| Millstadt | 7.6% | Millstadt Mkt Place Bd Sp |
| Caseyville | 8.85% | Collinsville |
| Freeburg | 7.35% | Freeburg |
| Lebanon | 8.85% | Lebanon |
| Scott Air Force Base | 8.35% | O Fallon |
| Dupo | 8.35% | Dupo Bd Sp |
| Smithton | 7.35% | Metro East Mass Transit District |
| New Athens | 8.1% | New Athens Bus Dist Sp |
| Marissa | 7.25% | Randolph |
| East Carondelet | 7.5% | Monroe |
| Lenzburg | 6.6% | Saint Clair Co Flood Prevention Sl |
| Saint Libory | 6.6% | Saint Clair Co Flood Prevention Sl |
| Lovejoy | 8.85% | East Saint Louis |
| Summerfield | 7.35% | Metro East Mass Transit District |
| National Stock Yards | 8.85% | East Saint Louis |
Illinois Sales Tax Rates by Zip Code:
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St Clair County, Illinois has a maximum sales tax rate of 9.85% and an approximate population of 210,482.
Sales tax rates in St Clair County are determined by nineteen different tax jurisdictions, Belleville Shopland Plaza Bd Sp, Bellevillecarlylegreen Mt Bus, Bellevillefrank Scott Pky Bus, Collinsville, Dupo Bd Sp, East Saint Louis, East Saint Louis State Street Business District Sp, Fairview Heights Lincoln Highway And 159 Business District, Freeburg, Lebanon, Mascoutah, Metro East Mass Transit District, Millstadt Mkt Place Bd Sp, Monroe, New Athens Bus Dist Sp, O Fallon, O Fallon Park Place Business District, Randolph and Saint Clair Co Flood Prevention Sl.
Back to Illinois Sales Tax Handbook Sales tax rates for St Clair County are current as of June 2026
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