Director David Harris | Illinois Department of Revenue
Director David Harris | Illinois Department of Revenue
This figure marks a significant increase over the previous month, when County Sales Tax collection stood at $132,110.
Over the past 12 months, Williamson County's residents have collectively paid a total of $1.5 million in County Sales Tax.
The County Sales Tax is a local sales tax imposed on retail sales of goods and services within a specific county. It is one of the primary sources of revenue for county governments, funding a wide range of essential services, including education, infrastructure, public safety, public health, and social services. The average rate imposed in Illinois is around 8.2%.
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 |
|---|---|---|
| March | $139,809 | 5.8% |
| February | $132,110 | -5.7% |
| January | $140,050 | 2% |
| December 2024 | $137,309 | 25.6% |
| November 2024 | $109,334 | -10.3% |
| October 2024 | $121,895 | -2.1% |
| September 2024 | $124,563 | 6.8% |
| August 2024 | $116,600 | 5.3% |
| July 2024 | $110,759 | -8.2% |
| June 2024 | $120,596 | 21.4% |
| May 2024 | $99,349 | -22.7% |
| April 2024 | $128,510 | 26.6% |
| March 2024 | $101,522 | - |
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