Illinois Printable Income Tax Forms 76 PDFS

Illinois has a flat state income tax of 4.95% , which is administered by the Illinois Department of Revenue. TaxFormFinder provides printable PDF copies of 76 current Illinois income tax forms. The current tax year is 2023, and most states will release updated tax forms between January and April of 2024.

Individual Income Tax 62
Corporate Income Tax 50

Printed all of your Illinois income tax forms? Head over to the Federal income tax forms page to get any forms you need for completing your Federal Income Tax return in April.

Illinois Income Tax Form Addresses

Illinois has multiple mailing addresses for different tax forms and other forms of correspondence. Make sure you send your completed tax forms to the correct address - some forms may have a different mailing address specified in the form instructions.

Here are two of the most important Illinois Department of Revenue mailing addresses for tax returns and general correspondence:

Income Tax Returns (With Payment), Quarterly Tax Payments Illinois Department of Revenue
Springfield, IL 62726-0001

Income Tax Returns (Without Payment) Illinois Department of Revenue
PO Box 1040
Galesburg, IL 61402-1040

Disclaimer: While we do our best to keep this list of Illinois income tax forms up to date and complete, we cannot be held liable for errors or omissions. Is a form on this page missing or out-of-date? Please let us know so we can fix it!

Tax Form Sources:

Illinois Department of Revenue
https://www2.illinois.gov/rev/forms/Pages/default.aspx

TaxFormFinder.org is a free public resource site, and is not affiliated with the United States government or any Government agency