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Iowa State Tax Information


Looking for Iowa state tax information? We provide the latest resources on state tax, unemployment, income tax and more.

IowaIowa Department of Revenue

Iowa Workforce Development

Withholding Requirements:

  • Register as employer by filing Form 60-0126 (Report to Determine Liability) or by clicking here
  • Employee Withholding Allowance Certificate - IA-W4
  • Withholding Method = formula
  • Supplemental Rate = Withhold as for federal, withhold at 6% if flat rate is used for federal.

Local Taxes:

None

State Unemployment Insurance (SUI):


Report quarterly wages and contributions by clicking here and using the eFile & Pay System:

Benefit ratio formula

Wage base is $29,300 for 2017 and $29,900 for 2018

Rates range from 0.0% to 7.5% for 2018

New employers use 1.0% for 2018

New construction employers use 7.5% for 2018

State Disability Insurance (SDI):

None

State Labor Laws:

Minimum Wage - The Federal minimum rate applies

Termination Pay - Fired/Quit - next regular payday.

New Hire Reporting:

Employers must report hiring, rehiring, and return to work within 15 days on Form IA-W4 (Employee's Withholding Allowance Certificate) to:

Centralized Employee Registry
PO Box 10322
Des Moines, IA 50306-0322
877-274-2580
800-759-5881 fax

To report online click here

Remit Withholding for Child Support to:

Iowa requires employers to submit child support payments electronically click here to register.