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Scam Alert: Fake Texts and Websites Impersonating IDOR

Be alert for fraudulent messages or websites attempting to steal your banking information, login credentials, or credit card details. The Illinois Department of Revenue (IDOR) will never request personal or financial information via text message. To confirm official communications or contact details, always visit https://tax.illinois.gov.

Employment Sign Up for Updates

What’s New for 2025?

Protecting Illinois Taxpayers

Our enhanced efforts to protect Illinois taxpayers from identity theft and tax fraud have proven to be highly successful. We will continue to combat the criminals attempting to steal your identity to file fraudulent tax returns while making every effort to get your tax refund to you as quickly as possible.

Please remember, filing your return electronically and requesting direct deposit is still the fastest way to receive your refund. You can file for free using MyTax Illinois, our online account management program for taxpayers. For more information, go to mytax.illinois.gov or visit our website.

Form IL-1040 Due Date

The due date for filing your 2025 Form IL-1040 and paying any tax you owe is April 15, 2026.

Income Tax Rate

The Illinois income tax rate is 4.95 percent (.0495).

Exemption Allowance

The personal exemption amount for tax year 2025 is $2,850.

Specific Form Changes

Forms IL-1040 and IL-1040-X

Step 1, Line A - Full date of birth is now required.

Step 12, Line 42 - Checkboxes and additional information were added to the Health Insurance Checkbox. (IL-1040 only)

Schedule M

Step 3, Line 18 - medical debt relief subtraction was added.

Step 3, Line 30 - was re-worded per legislative update.

Schedule IL-E/EITC

Step 2, Line 1 - dependent amount was updated.

Step 5 - Illinois Child Tax Credit amount was increased to 40 percent of the Illinois Earned Income Tax Credit.

Illinois Expanded EITC Worksheet - Part 5, Lines 16 and 21 - income limits were updated per federal guidance.