Illinois Income Tax Forms

Illinois State Income Tax Forms for Tax Year 2022 (Jan. 1 - Dec. 31, 2022) can be e-Filed in conjunction with a IRS Income Tax Return. Details on how to only prepare and print an Illinois 2022 Tax Return.

Below are forms for prior Tax Years starting with 2021. These back taxes forms can no longer be e-Filed. You can complete the forms with the help of eFile.com free tax calculators. Complete the respective Form(s) below, sign, and mail them to the Illinois Department of Taxation. In addition to filing Illinois Forms you might also have to file previous IRS Tax Return Forms.

In addition to filing Illinois Forms you might also have to file previous IRS Tax Return Forms. If you can not find the form listed, use the search button below.

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A list of income tax forms for other states.

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