Director David Harris | Illinois Department of Revenue
Director David Harris | Illinois Department of Revenue
In total, residents paid just under $51.5 million in sales taxes during 2024.
The county also ranked seventh in the Prairie State the year before, with just over $48.9 million spent in sales taxes.
The largest share of sales taxes paid by St. Clair County residents in 2024 came from the Metro-East Transit District Sales Tax.
The Metro-East Transit District Sales Tax, a crucial revenue stream, is primarily allocated for other taxing jurisdictions' use.
A 2025 WalletHub study found that Illinois has the highest overall taxes in the U.S., with rates more than 50% higher than the national average. The study estimates that a median household in Illinois pays an effective tax rate of 16.58%, or about $13,099 per year.
2024 St. Clair County Sales Tax Revenues by Type
| Type of Tax | Amount Collected in Year | % Change From Previous Year |
|---|---|---|
| Metro-East Transit District Sales Tax | $30,605,394 | 5% |
| Countywide Sales Tax | $9,922,566 | 3.5% |
| County Flood Protection Tax | $7,818,269 | 4.3% |
| County Sales Tax | $2,682,835 | 17.8% |
| Metro-East Mass Transit District Vehicle Fee Tax | $445,284 | 1.7% |
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