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.

Announcing 2021 Rates
Review finalized individual income tax brackets, standard deduction amounts, and interest rates.
Upcoming Tax Webinars
Join the Department for our free monthly tax education webinars.
IDR and COVID-19
Stay up to date with the Department's recent announcements and FAQs regarding COVID-19


Important Upcoming IDR Tax Deadlines: Income & Franchise Tax Return
October 21, 2020

As a result of the August 10, 2020, derecho storm that affected Iowa, the Internal Revenue Service extended until December 15, 2020, certain tax-filing and tax-payment deadlines falling on or after August 10, 2020, and before December 15, 2020.

IDR Announces 2021 Interest Rates, Deductions, Income Tax Brackets
October 14, 2020

Des Moines, Iowa – The Iowa Department of Revenue has finalized individual income tax brackets and individual income tax standard deduction amounts for the 2021 tax year (applicable for taxes due in 2022) and the 2021 interest rate, which the agency charges for overdue payments.

Administrative Rules - Available for Public Comment; Adopted & Filed
October 09, 2020
The Department of Revenue has submitted proposed rules to the Iowa Legislature. They are available for public comment through October 27, 2020, see individual notices below for details. Additionally, a proposed rule was previously submitted to the Iowa Legislature and have been adopted and filed, effective November 11, 2020.
Proposed Administrative Rules Available for Public Comment
September 24, 2020
The Department of Revenue has submitted new proposed rules to the Iowa Legislature, available for public comment through October 13, 2020. See individual notices for details. (Adoption Tax Credit; Withholding—Electronic Filing Requirements, Deadline for Furnishing Statements; Local Assessors; Transmittal of Declaration of Value Forms)
Important Upcoming Iowa Department of Revenue Tax Deadline
September 22, 2020

Third Quarter Income Tax Estimate

The Department is reminding taxpayers that Iowa has not extended the due date for estimated income tax payments. The third quarter installment of tax year 2020 estimated income tax for taxpayers filing on a calendar year basis is due September 30, 2020.

Iowa Government Working Group to meet September 9
September 04, 2020

The Government Working Group of the Governor’s Economic Recovery Advisory Board will meet from 10 a.m. to noon on Wednesday, September 9. The public is invited to attend.