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2025 Withholding (Payroll) Tax Forms

File your IL-941 return or pay your IL-501 in MyTax Illinois
Get information about filing your W-2s and 1099s here

Which form should I use?

Use 2025 forms below for wages paid in 2025. Example: If you paid employees in December 2025, report it on 2025 forms—even if you file in 2026.

Use 2026 forms for wages paid starting January 1, 2026. Example: A paycheck dated January 2, 2026 belongs on 2026 forms.

Form Instructions Description

IL-501

 

Payment Coupon and Instructions - Due Dates

IL-941

PDF  | HTML

Illinois Withholding Income Tax Return - Due Dates

​IL-941-X

PDF | HTML

​Amended Illinois Withholding Income Tax Return

​Schedule WC

PDF | HTML

​Withholding Income Tax Credits

​Schedule WC-I

 PDF | HTML

​Withholding Income Tax Credits Information

IL-700-T

 

Illinois Withholding Tax Tables Booklet - effective January 1, 2025 - December 31, 2025

IL-5754

 

Statement by Person Receiving Gambling Winnings

IL-W-4

 

Employee's Illinois Withholding Allowance Certificate

IL-W-5

 

Certificate of Residence in Illinois

IL-W-5-NR

 

Employee's Statement of Nonresidence in Illinois

IL-W-6

 

Certificate of Days Worked in Illinois for Non-Residents

IL-W-6-WS

 

Worksheet to Report Days Worked in Illinois for Non-Residents

Pub 131-D

HTML

 2025 Withholding Income Tax Payment and Return Due Dates