Taxes in Illinois

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!


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Maybe Caterpillar Should Move to Minnesota

January 12, 2011

Illinois Approves Sharp Income Tax Increase, Fourth-Highest Corporate Tax Rate

January 12, 2011

Illinois’ New Tax Proposal

January 11, 2011

Illinois Considers Sharp Income Tax Increase, Highest Corporate Tax Rate

January 7, 2011

Illinois Considers Sharp Income Tax Increase, Highest Corporate Tax Rate

January 7, 2011

Illinois Considers “Amazon Tax”

January 5, 2011

Illinois Tax Amnesty on the Way (Again)

August 19, 2010

Illinois Policy Institute: Federal, State Tax Hikes Would Hurt Illinois Families

August 17, 2010

Politics and More Debt from Illinois Sales Tax Holiday

July 22, 2010

IL, MA Back-to-School Sales Tax Holidays Are Bad Tax Policy

July 9, 2010

With No Budget, California Governor Puts State Employees on Minimum Wage

July 2, 2010

Illinois Budget at Impasse

May 17, 2010

Illinois: Low Tax?

May 3, 2010

Obama’s and Biden’s Tax Returns

April 16, 2010

Today is Tax Freedom Day for Illinois, Utah, and Wyoming

April 11, 2010

Wyden-Gregg, Illinois Taxes, and Amazon Tax in Connecticut

March 16, 2010

Illinois Should Respond to Recession by Broadening Tax Bases and Spending Frugally, Not by Raising the Personal Income Tax Rate

March 11, 2010

Illinois Governor Quinn Proposes Income Tax Increase, Borrowing, Not Paying Bills

March 10, 2010

Delinquent States

February 19, 2010

Champion of Chicago’s Double-Digit Sales Tax Loses Primary

February 3, 2010