Welcome to the Iowa Department of Revenue
The mission of the Iowa Department of Revenue is to serve Iowans and support state government by collecting all taxes required by law, but no more.
It's Tax Time
Are you ready for tax time? Let IDR help you prepare.
2021 Withholding Tables and Calculator
IDR announces new income withholding tax tables for 2021 and an updated withholding calculator.
Announcing 2021 Rates
Review finalized individual income tax brackets, standard deduction amounts, and interest rates.
IDR and COVID-19
Stay up to date with the Department's recent announcements and FAQs regarding COVID-19