Iowa State Tax Forms

The primary Iowa state tax form for individual income tax filing is Form IA 1040, officially titled the Iowa Individual Income Tax Return.

This is the standard return used by Iowa residents to report income, claim deductions and credits, and calculate either tax owed or a refund due.

The Iowa Department of Revenue no longer uses older “short forms” such as IA 1040A or IA 1040EZ—all individual taxpayers now file using Form IA 1040.

In addition to the IA 1040, Iowa provides a variety of supplemental schedules and specialized forms to address specific tax situations, credits, and payment methods. All current forms and instructions are available directly from the Iowa Department of Revenue.

Common Iowa Individual Income Tax Forms

Below are the most frequently used Iowa tax forms for individual taxpayers:

• Iowa Form IA 1040
  The primary income tax return for Iowa residents. This form is used to report income, calculate Iowa tax liability, claim credits, and request refunds.
• Iowa Schedule 1
  Used to report additions and subtractions (modifications) to federal total income when calculating Iowa taxable income.
• Iowa Form IA 126
  Used by nonresidents and part-year residents to calculate the credit for income earned outside of Iowa.
• Iowa Form IA 130
  Used to claim a credit for income taxes paid to another state, helping prevent double taxation.
• Iowa Form IA 148
  A general tax credit schedule used to claim multiple Iowa tax credits.
• Iowa Form IA 1040V
  A payment voucher used only if you are mailing a paper check or money order for taxes owed.
• Iowa Form IA 4136
  Used to calculate and claim the Iowa Fuel Tax Credit.
• Iowa Forms 54-001 and 54-130
  Used to claim Iowa property tax credits or rent reimbursement, often applicable to seniors, disabled individuals, or low-income taxpayers.

Business and Other Iowa Tax Forms

The Iowa Department of Revenue also provides forms for businesses and other tax filers, including:

• Form 78-005 – Iowa Business Tax Permit Registration
  Used to register a new business with the state for tax purposes.
• Form 31-014 – Iowa Sales/Use/Excise Tax Exemption Certificate
  Used by eligible purchasers to claim sales tax exemptions.
• Iowa Form IA 1120
  Corporation Income Tax Return.
• Iowa Form IA 1065
  Iowa Partnership Return of Income.
• Iowa Form IA 1120S
  Iowa Income Tax Return for S Corporations.

Where to Find Iowa Tax Forms

All Iowa tax forms, instructions, and prior-year versions can be accessed on the Iowa Department of Revenue website, including:

• Individual Income Tax Forms
• The complete Iowa Tax Forms Index

Forms are available in both printable and fillable PDF formats.

Recommended: File Electronically (E-File)

The Iowa Department of Revenue encourages electronic filing for individual and business tax returns. E-filing offers several advantages:

• Faster processing and quicker refunds
• Greater accuracy with built-in error checks
• Immediate confirmation that your return was received
• Reduced risk of lost or delayed paper returns
• Secure electronic payment options for taxes owed

Most taxpayers can e-file Iowa returns through approved tax software or professional tax preparers. If you owe taxes, electronic filing allows you to pay directly from your bank account or schedule payments securely online.

Paper filing should generally be reserved only for those who cannot file electronically.