Illinois Payroll Withholding
Effective January 1, 2021

Withholding rate: 4.95%
Basic allowance (IL-W-4 line 1): $2,375.00
Additional allowance (IL-W-4 line 2): $1,000.00

Note(s):

  • All amounts are annual unless otherwise noted
Additional payroll withholding resources:
Illinois withholding effective January 1, 2022
Federal withholding tax table
Paycheck Calculator
Paycheck Withholding Changes
Withholding Tax Primer
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