Iowa Payroll Withholding
Effective January 1, 2024

Annual EarningsAddonRate
$0.00$0.004.40%
$4,896.00$215.424.82%
$24,480.00$1,159.375.70%

Standard deduction:
0-1 allowances: $14,600.00.000
2+ allowances: $29,200.00

Tax credit per allowance: $40.00

    Calculation formula:
  1. T1 = Gross wages - Standard Deduction
  2. T2 = T1 x R (R=Withholding tax rate)
  3. T3 = T2 - (C x N) (C=deduction per allowance, N=Number of allowances)
  4. T4 = T3 + A (A=Additional withholding)

Note(s):

  • All amounts are annual unless otherwise noted