St. Clair County taxpayers paid $753,661 in County Flood Protection Tax in May, according to Illinois tax records.
This figure marks a noticeable decrease from the previous month, when County Flood Protection Tax collection stood at $792,087.
Over the past 12 months, St. Clair County’s residents have collectively paid a total of $8.2 million in County Flood Protection Tax.
The County Flood Protection 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.
| Month | Amount Collected | % Change from Previous Month |
|---|---|---|
| May | $753,661 | -4.9% |
| April | $792,087 | 26.3% |
| March | $627,120 | 3.2% |
| February | $607,499 | -23.4% |
| January | $792,734 | 21.4% |
| December 2024 | $653,204 | -11% |
| November 2024 | $733,718 | 13.4% |
| October 2024 | $646,854 | 1.1% |
| September 2024 | $639,524 | -1.2% |
| August 2024 | $647,260 | -0.2% |
| July 2024 | $648,293 | -2.8% |
| June 2024 | $666,820 | 6.1% |
| May 2024 | $628,628 | – |
