Illinois levies a total flat corporate tax rate of 9.5%, which reflects a 7% base income tax enacted after July 1, 2017, plus a 2.5% personal property replacement tax. The state maintains its network of foreign-trade zones, which includes designated zones serving major hubs like Chicago, Granite City, Peoria, Rock Island, Evansville, and Rockford. State support includes comprehensive incentive portfolios, featuring legacy programs like the Underground Storage Tank Fund, the 501(c)(3) Lease Program, the Young Farmer Guarantee Program, and the State Revolving Fund.