Tax Forms for Filing Year 2021

Common Illinois Forms

  • IL-1040

  • Instructions for IL-1040


Click here to search for other Illinois forms.


To request state forms by mail, call 800-356-6302.

Filing online by yourself


If you are interested in filing your own federal taxes online for free by yourself, read more at this IRS page.


For Illinois filing, visit this page from the Illinois Revenue service.


There are other popular services online that will help you file your taxes for a fee, and we recommend that you check reviews of these services to make sure they are reputable before you choose to use them.