Tax Resources
State And Federal


Illinois State Tax Filing Information  

eSmart Tax Guarantee  

It's easy to prepare and efile your Illinois state tax return in eSmart Tax. Our tax preparation platform will automatically transfer the basic data that you entered on your federal tax return forms to your Illinois state tax return. Our step-by-step online interview process will help you complete the additional forms required by the Illinois department of Revenue for your IL state taxes. You can prepare and efile your full-year resident Illinois state tax return and your federal tax return at the same time!

The regular due date for filing your Illinois state taxes is April 15.

Find information about Illinois state tax forms, state tax filing instructions, and government information below.

eSmart Tax supports the following Illinois Tax Forms
Supported   Illinois Form 1040
Individual Income Tax Return  
Supported   Illinois Form 1040-V
Payment Voucher for Individual Income Tax  
Supported   Illinois 1040 Schedule CR
Credit for Tax Paid to Other States  
  And More
State IL Website and Contacts
State Website   https://www2.illinois.gov/rev/Individuals/Pages/default.aspx
Taxpayer Assistance:   (800) 732-8866
TTY/TDD:   (800) 544-5304
Check Refund Status Online:   https://www2.illinois.gov/rev/individuals/Pages/refunds.aspx
Special Processing
Type:   Availability:  
State-only tax return: Supported
Decedent Return: Not Supported
Return with foreign address: Supported
State Return Type
Residency:   Return Type:   Also Attach:   Status:  
Resident IL-1040 N/A Available
Resident (Short) IL-1040 N/A Available
File Schedule NR along with Form IL-1040
Part-Year IL-1040 N/A Available
File Schedule NR along with Form IL-1040
State IL Amount Owe Payment Option
You have the following options to pay your tax:
  1. Mail payment to:
    Illinois Department of Revenue
    Springfield, IL 62726-0001.

    Make your check or money order payable to the "Illinois Department of Revenue" (not IRS). Write your Social Security number, and your spouse's Social Security number if filing jointly, in the lower left corner of your payment.

  2. Send e-payment through state website.
  3. Send credit card payment through online site.
Availability:   Type:   Notes:  
Supported State assigned N/A
State IL Overpayment Option
You have the following options:
  1. Apply your refund amount to next year's tax payment.
  2. Contribute your refund amount to charity.
  3. Receive your refund by check through mail.
  4. Receive your refund by direct deposit to your bank account.