Iowa Income Tax Calculator
Use this free income tax calculator customized with Iowa-specific tax rates, costs, and financial data.
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Frequently Asked Questions
What is the Iowa state income tax rate?
Iowa has a top marginal income tax rate of 5.7%. The state uses a progressive tax system with 3 brackets.
Does Iowa have a flat or progressive income tax?
Iowa uses a progressive income tax system with 3 brackets ranging from 4.4% to 5.7%.
How do I file my Iowa state income tax return?
Iowa residents must file a state income tax return with the Iowa Department of Revenue (or equivalent agency). Most taxpayers can file electronically. The deadline typically aligns with the federal tax deadline of April 15.