Illinois Department of Revenue

Illinois Department of Revenue Serves as the tax collection agency for state and local governments and oversees the local property tax system. Regulates the manufacture, distribution and sale of alcoholic liquors through oversight of the Illinois Liquor Control Commission.

Recent News About Illinois Department of Revenue

Government

DuPage County responsible for 2nd-highest sales tax revenue in Illinois during October 2025

DuPage County residents paid just under $17 million in sales taxes, the second highest total paid per county in October 2025.

December 11, 2025

David Harris Director the Illinois Department of Revenue

Government

Illinois Department of Revenue announces 2025 DuPage County property assessment multiplier

The Illinois Department of Revenue has set DuPage County's final property assessment multiplier at 1.0000 for taxes payable in 2026. Officials say this ensures fair and uniform assessments across county lines without directly affecting overall tax bills.

April 6, 2026