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Illinois Free Printable 2019 Form IL-1040, Individual Income Tax Return for 2020 Illinois — Individual Income Tax Return

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More about the Illinois Form IL-1040 Tax Return


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We last updated Illinois Form IL-1040 in February 2020 from the Illinois Department of Revenue. This form is for income earned in tax year 2019, with tax returns due in April 2020. We will update this page with a new version of the form for 2021 as soon as it is made available by the Illinois government.

Other Illinois Individual Income Tax Forms:

In addition to information about Illinois' income tax brackets, Tax-Brackets.org provides a total of 76 Illinois income tax forms, as well as many federal income tax forms. Here's a list of some of the most commonly used Illinois tax forms:

Form Code Form Name
Schedule ICR Illinois Tax Credits
Form IL-505-B Automatic Extension Payment
Form IL-1040 Individual Income Tax Return
Schedule NR Instruction Booklet Nonresident Income Tax Instruction Booklet
Form IL-1040-X-V Payment Voucher for Amended Individual Income Tax

Download all IL tax forms View all 76 Illinois Income Tax Forms


Disclaimer: While we do our best to keep Form IL-1040 up to date and complete on Tax-Brackets.org, we cannot be held liable for errors or omissions. Is this form missing or out-of-date? Please let us know so we can fix it!

Tax Form Sources:

** This Document Provided By Tax-Brackets.org **
Source: http://www.tax-brackets.org/illinoistaxforms/form-il-1040