Illinois Tax Management

Log in to manage your online account with MyTax Illinois by using You can find the login area on the lower left hand side of the portal. Type in your username and password accordingly and use the ‘Log in’ button to access your account. From there, you can manage your account in whichever way you please – you can edit your personal information, make a tax payment, calculate your tax, etc.

In the event that you forget your username and/or password, you can use the ‘Forgot?’ link found on the side of each box to get assistance. If you don’t have an online account yet, you can create one by using the ‘Sign Up Now button’. It will redirect you to the online registration form which you need to fill out to complete the process. You may also watch the guide prepared by by using the blue link that says ‘Guide to create a MyTax Illinois account’.


Benefits of Having an Online MyTaxIllinois Account

  • You can file your tax returns securely.
  • You can make and view payments.
  • You can apply for IFTA decals.
  • You can register a new business.
  • You can view correspondence sent from IDOR.
  • You can update your personal information.

For further assistance, please use the ‘Contact Us’ link to get help with tax questions and other IDOR information. If you prefer speaking with an agent, you may call 800-732-8866 – the My Tax Illinois office is open from Monday to Friday, 8 am to 5 pm. For TDD users, you may call 800-544-5304 instead. IDOR has a dedicated business hotline that is open every weekday from 8 am to 5 pm. So for questions that are IDOR-related, please call 217-524-4772 instead. And for answers to common questions, just refer to the FAQs page – you can access it by using the appropriate link found under the ‘Other Helpful Links’ category.