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Expanded Instructions
  • Instruction Year: 2023

Iowa Residents

Iowa residents who expect to owe tax of $200 or more for 2024 from income not subject to withholding tax must make estimated tax payments to avoid a penalty for underpayment of estimated tax. For additional information, see IA 1040ES instructions.

Farming or Commercial Fishing

If at least two-thirds of your income is from farming or commercial fishing, you may avoid penalty for underpayment of estimated tax in one of the following ways: (1) You may pay the estimated tax in one payment on or before January 15, 2024, and file your return by June 1, 2024, or (2) you may file your return and pay the tax in full by March 1, 2024.*


Nonresidents with nonwage income from Iowa, see IA 1040ES instructions.

Married Taxpayers filing Jointly

Estimated tax payments should be filed under the primary taxpayer’s name and SSN.

Married Taxpayers filing Separately

Each individual required to make estimated tax payments must file an estimated payment under their name and Social Security Number.

How to Pay

You can set up your payments to be automatically deducted from your bank or credit union account using, in person or by mail. Simply select Individual Income Estimate Tax and the payment option that works best for you using EasyPay Iowa.

  • Installment 1 – 04/30/2024
  • Installment 2 – 06/30/2024
  • Installment 3 – 09/30/2024
  • Installment 4 – 01/31/2025

* If the due date falls on a Saturday, Sunday, or holiday as defined in Iowa Code section 421.9A, then the due date is the following day that is not a Saturday, Sunday, or holiday.