Illinois Tax Rates & Rankings Illinois Taxes
You can also pay estimated taxes every quarter to cover your bases with the IRS. Illinois’ No. 2 in the nation property taxes illustrate the issue. Illinois' individual income tax increased from 3.75% to 4.95% on July 1, 2017. State Individual Income Tax Rates and Brackets, 2015 (t) In addition to the personal income tax rates, [...]