Lake County taxpayers paid approximately $34.3 million in Countywide Sales Tax in 2024, according to Illinois tax records.
This figure marks a noticeable decrease from the previous year, when Countywide Sales Tax collection stood at approximately $34.9 million.
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 Lake County Over Last 7 Years
| Year | Amount Collected | % Change from Previous Year |
|---|---|---|
| 2024 | $34,318,586 | -1.5% |
| 2023 | $34,857,012 | 2.3% |
| 2022 | $34,068,986 | 12.1% |
| 2021 | $30,383,793 | 24.9% |
| 2020 | $24,334,030 | 3.9% |
| 2019 | $23,428,115 | -13% |
| 2018 | $26,919,649 | – |
