Iowa State Taxes

Iowa state income tax returns are due by April 30th.

Prepare your Iowa taxes online, for free:
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Don't have time? Then file an extension with H&R Block.

Iowa state taxes by the numbers:

Tax Rate Range: Low - 0.36%; High - 8.98%
Income Brackets: Lowest - $1,269; Highest - $57,106
Number of Brackets: 9
Personal Exemptions*: Single - $40; Married - $80; Dependents - $40; Seniors - $20
Standard Deduction: Single - $1,330; Married filing Jointly - $3,270
Medical/Dental Deduction: Federal amount
Federal Income Tax Deduction: Full

Details about your Iowa state income tax return

Iowa state income tax returns must be filed if your net income was:

  • more than $9,000 for single filers
  • more than $13,500 for all others.

Common Iowa tax credit include a child and dependent care credit and an earned income credit.

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Iowa income tax forms: for paper filing

Iowa income tax forms:

Form IA-1040 | 2006 Iowa Individual Income Tax Return| Instructions

IA 1040A | Short Iowa State Income Tax Return | Instructions

Schedule A and B | Tax Deductions

IA 1040 Tax tables | Tax Tables

For more Iowa income tax forms go to the Iowa tax forms site.


Or, e-file!

More IA state taxes info

For more help, consult our guide to tax filing.

For further help on IA income tax returns, go to theIowa Department of Revenue and Finance.