Lake County taxpayers paid just over $5.4 million in County Sales Tax in 2024, according to Illinois tax records.
This figure marks a significant increase over the previous year, when County Sales Tax collection stood at approximately $5 million.
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.
| Year | Amount Collected | % Change from Previous Year |
|---|---|---|
| 2024 | $5,422,427 | 7.6% |
| 2023 | $5,037,970 | -11.4% |
| 2022 | $5,687,987 | 21.6% |
| 2021 | $4,676,018 | 39.7% |
| 2020 | $3,346,408 | -13.9% |
| 2019 | $3,888,190 | -35.2% |
| 2018 | $5,999,516 | – |
