As a 501(c)(3) nonprofit, we depend on the generosity of individuals like you. Help us continue our work by making a tax-deductible gift today.
The Tax Foundation is the nation’s leading independent tax policy nonprofit. Since 1937, our principled research, insightful analysis, and engaged experts have informed smarter tax policy at the federal, state, and global levels. For over 80 years, our goal has remained the same: to improve lives through tax policies that lead to greater economic growth and opportunity.
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 rank? Below, we have highlighted a number of tax rates, ranks, and measures detailing Illinois’s income tax, business tax, sales tax, and property tax systems. Click the tabs below to explore!
Top Individual Income Tax Rate
State and Local Individual Income Tax Collections per Capita
State and Local Tax Burden
Top Corporate Income Tax Rate
State Business Tax Climate Index Ranking
State Sales Tax Rate
Average Local Sales Tax Rate
Combined State and Average Local Sales Tax Rate
State and Local General Sales Tax Collections per Capita
State Gasoline Tax Rate (cents per gallon)
State Cigarette Tax Rate (dollars per 20-pack)
Property Taxes Paid as a Percentage of Owner-Occupied Housing Value
State and Local Property Tax Collections Per Capita
January 18, 2022
January 13, 2022
January 11, 2022
December 16, 2021
September 1, 2021
August 25, 2021