How and where do I send my IL state returns?

Are you printing and mailing your Illinois return?

 

If you are sending your return without a payment, mail your return to:

ILLINOIS DEPARTMENT OF REVENUE
 

PO BOX 19041 

SPRINGFIELD IL 62794-9041

 

If you are sending a payment with your return, mail your return to:
 

ILLINOIS DEPARTMENT OF REVENUE
PO BOX 19027 
SPRINGFIELD IL 62794-9027

 

For more information, please see this webpage.

make sure to attach any forms with Illinois withholding.