How does Illinois’s tax code compare? How does Illinois’s tax code compare? Illinois has a flat 4.95 percent individual income tax rate. Illinois has a 9.5 percent corporate income tax rate. Illinois also has a 6.25 percent state sales tax rate and an average combined state and local sales tax rate of 8.86 percent. Illinois has a 1.95 percent effective property tax rate on owner-occupied housing value.
Illinois has an estate tax. Illinois also has a 66.5 cents per gallon gas tax rate and a $2.98 cigarette excise tax rate. The State of Illinois collects $7,379 in state and local tax collections per capita. Illinois has $13,094 in state and local debt per capita and has a 51 percent funded ratio of public pension plans. Overall, Illinois’s tax system ranks 37th on our 2024 State Business Tax Climate Index.
Each state’s tax code is a multifaceted system with many moving parts, and Illinois is no exception. The first step towards understanding Illinois’s tax code is knowing the basics. How does Illinois collect tax revenue? Click the tabs below to learn more! You can also explore our state tax maps, which are compiled from our annual publication, Facts & Figures 2024: How Does Your State Compare?
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