Williamson County taxpayers paid $266,764 in Countywide Sales Tax in February, according to Illinois tax records.
This figure marks a significant decrease from the previous month, when Countywide Sales Tax collection stood at $304,681.
Over the past 12 months, Williamson County’s residents have collectively paid a total of $3.4 million in Countywide Sales Tax.
The Countywide Sales Tax, a crucial revenue stream, is primarily allocated for county governments’ 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.
Countywide Sales Tax Collected in Williamson County Over Last 12 months
| Month | Amount Collected | % Change from Previous Month |
|---|---|---|
| February | $266,764 | -12.4% |
| January | $304,681 | 1.9% |
| December 2024 | $299,004 | -4.9% |
| November 2024 | $314,266 | 12.8% |
| October 2024 | $278,630 | -2.3% |
| September 2024 | $285,061 | 1.4% |
| August 2024 | $281,193 | 3.4% |
| July 2024 | $271,871 | -5.8% |
| June 2024 | $288,720 | 4.5% |
| May 2024 | $276,178 | -6.3% |
| April 2024 | $294,673 | 15.3% |
| March 2024 | $255,642 | 4.4% |
| February 2024 | $244,957 | – |
