Where do i mail my il state tax return

In Illinois, you can mail your state income tax return to the following address:

Illinois Department of Revenue PO Box 19032 Springfield, IL 62794-9032

Make sure to use the correct mailing address for your specific situation:

• If you're filing a paper return, use the above PO box address.
• If you're filing a return with a payment, use the following address:
  • Illinois Department of Revenue
  • PO Box 19032
  • Springfield, IL 62794-9032
  • Attention: Payment Processing
• If you're filing a return with a payment and you're a business, use the following address:
  • Illinois Department of Revenue
  • PO Box 19032
  • Springfield, IL 62794-9032
  • Attention: Business Tax Payment

Remember to include your name, address, and a copy of your return with your payment. You can also use the Illinois Department of Revenue's online payment system to pay your taxes electronically.

It's also important to note that the Illinois Department of Revenue recommends using certified mail with return receipt requested to ensure that your return is received and processed correctly.