Where do I mail my individual income tax return?

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

ILLINOIS DEPARTMENT OF REVENUE
SPRINGFIELD IL 62719-0001

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

ILLINOIS DEPARTMENT OF REVENUE
SPRINGFIELD IL 62726-0001

If you have additional inquiries, you may submit them to the Questions, Comments, or Request form.