Johnson County taxpayers paid $35,381 in County Sales Tax in March, according to Illinois tax records.
This figure marks a significant increase over the previous month, when County Sales Tax collection stood at $29,764.
Over the past 12 months, Johnson County’s residents have collectively paid a total of $360,608 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 | $35,381 | 18.9% |
| February | $29,764 | -23.2% |
| January | $38,767 | 25.2% |
| December 2024 | $30,973 | -3.2% |
| November 2024 | $32,013 | 30.9% |
| October 2024 | $24,461 | -21% |
| September 2024 | $30,953 | 13.1% |
| August 2024 | $27,368 | 1.4% |
| July 2024 | $26,981 | -3.1% |
| June 2024 | $27,832 | 2.7% |
| May 2024 | $27,104 | -6.6% |
| April 2024 | $29,011 | 8.2% |
| March 2024 | $26,812 | – |



