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The Daily Insight

When can I file Illinois state tax return 2020?

Author

Henry Morales

Published Apr 04, 2026

Feb. 12
12. SPRINGFIELD, Ill. (WREX) — The Illinois Department of Revenue (IDOR) will begin accepting 2020 state individual income tax returns on Friday, February 12, the same date that the Internal Revenue Service (IRS) begins accepting federal individual income tax returns.

Can I file Illinois state tax online?

Use MyTax Illinois to electronically file your original Individual Income Tax Return. It’s easy, free, and you will get your refund faster.

February 12
SPRINGFIELD, Ill. (WREX) — The Illinois Department of Revenue (IDOR) will begin accepting 2020 state individual income tax returns on Friday, February 12, the same date that the Internal Revenue Service (IRS) begins accepting federal individual income tax returns.

Do I have to file a state tax return in Illinois?

You must file a Form IL-1040, Individual Income Tax Return, if you are an Illinois resident and: You were required to file a federal income tax return. You were not required to file a federal return, but your Illinois base income is greater than your exemption allowance.

Where can I file my Illinois income tax return?

File Form IL-1040, Individual Income Tax Return, on MyTax Illinois. Page Content. Use MyTax Illinois to electronically file your original Individual Income Tax Return. It’s easy, free, and you will get your refund faster.

When is the last day to file Illinois income tax?

The last day to file – you will not face late filing penalties – and claim your 2020 Illinois Income Tax Return Refund. This deadline does not apply if you owe 2020 Income Taxes. Prepare and efile these state forms for 2020 in conjunction with your federal and state income tax return.

Who is eligible to file an il-1040?

You are eligible to file an original IL-1040 via MyTax Illinois if you have not filed an individual income tax return for this tax year; are an established Illinois taxpayer orhave a valid Illinois Driver’s License or Illinois State Identification Card;

Do you have to pay income tax in Illinois?

If you received wages, salaries, tips, and commissions from Illinois employers, you are not required to pay Illinois Income Tax on this income. This is based on reciprocal agreements between Illinois and these states. The reciprocal agreements do not apply to any other income you might have received, such as Illinois lottery winnings.