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Lake County Gazette

Tuesday, September 9, 2025

Lake County residents paid 4th-largest sum in sales taxes in Illinois during June

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Director David Harris | Illinois Department of Revenue

Director David Harris | Illinois Department of Revenue

Lake County taxpayers paid the fourth largest sum in sales taxes in June, according to Illinois tax records.

In total, residents paid approximately $8.5 million in sales taxes during June.

The county also ranked fourth in the Prairie State the month before, with just over $7.9 million spent in sales taxes.

The largest share of sales taxes paid by Lake County residents in June came from the County Share of RTA Sales Tax.

The County Share of RTA Sales Tax, a crucial revenue stream, is primarily allocated for other taxing jurisdictions' 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.

June Lake County Sales Tax Revenue Breakdown

County Share of RTA Sales Tax [49.7%]Countywide Sales Tax [41.4%]County Sales Tax [8.9%]

June Sales Tax Revenues by Type in Lake County
Type of TaxTotal Amount Collected% Change From Previous Month
County Share of RTA Sales Tax$4,212,2346.8%
Countywide Sales Tax$3,505,4487.7%
County Sales Tax$757,4577.8%

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