For details on specific deductions available in Illinois, see the list of Illinois income tax deductions. Using deductions is an excellent way to reduce your Illinois income tax and maximize your refund, so be sure to research deductions that you mey be able to claim on your Federal and Illinois tax returns. Income tax deductions are expenses that can be deducted from your gross pre-tax income. Ĭompare the state income tax rates in Illinois with the income tax rates in The IRS will start accepting eFiled tax returns in January 2020 - you can start your online tax return today for free with TurboTax. There are -1208 days left until Tax Day, on April 16th 2020. If you expect to owe $500 or more on April 15th, you must pay your income tax to Illinois quarterly using Form IL-1040-ES. Previously, the tax rate was raised from 3% to 5% in early 2011 as part of a statewide plan to reduce deficits. The Illinois income tax was lowered from 5% to 3.75% in 2015. You can learn more about how the Illinois income tax compares to other states' income taxes by visiting our map of income taxes by state. Illinois' maximum marginal income tax rate is the 1st highest in the United States, ranking directly below Illinois' %. Unlike the Federal Income Tax, Illinois' state income tax does not provide couples filing jointly with expanded income tax brackets. Illinois collects a state income tax at a maximum marginal tax rate of %, spread across tax brackets.

Illinois flat income tax