Idaho Tax Forms 2017
Printable State Tax Form 40 and Instructions

Printable Idaho (ID) state income tax Form 40 or Form 43 must be postmarked by April 17, 2018 in order to avoid penalties and late fees. Printable Idaho state tax forms for the current tax year will be based on income earned between January 1, 2017 through December 31, 2017. The Idaho income tax rate for 2017 is graduated from a low of 1.6% to a high of 7.4%. The Idaho tax table can be found inside the ID Form 40 instructions packet below.

Preparation of your Idaho income tax forms begins with the completion of your federal income tax forms. Some of the Idaho state income tax forms require information from your federal income tax return, for example. We have organized free printable tax forms under the headings 1040EZ, 1040A, 1040, and subsets of 1040. If you have not done so already, please begin with your 1040EZ, 1040A or 1040 using the links above, or on the left side navigation.

2017 Idaho Income Tax Form and Instructions

Form 40
Form 40 Instructions
Idaho Packet

The 2017 Idaho Individual Income Tax Packet link above includes Form 40, Form 43, Form 39R, Form 39NR, Form 44, schedules, instructions, and the Idaho income tax tables.

Frequently Required ID Forms, Schedules, Vouchers:
Form 24 - Idaho Grocery Credit Refund
Form 39NR - Idaho Schedule For Part-Year & Nonresidents
Form 39R - Idaho Supplemental Schedule For Residents
Form 43 Idaho Part-Year & Nonresident Return
Form 51 - 2017 Idaho Estimated Income Tax Payment
Form 51 - 2018 Idaho Estimated Income Tax Payment
Form CG - Idaho Capital Gains Deduction
Form ID-40V - Idaho Income Tax Payment Voucher

List of all printable ID state income tax forms.

Click any Idaho state income tax form title above to download, view, print, and save the PDF file. The PDF file format allows you to safely print, prepare, and mail in your 2017 Idaho state tax forms.

The Idaho State Tax Commission will expect your 2017 income tax forms to be printed on high quality printers. Today's laser, bubble-jet, or ink-jet printers are generally acceptable. Color printing is not required, however, we recommend that you read the first few pages of the Idaho Form 40 instructions packet for updates regarding the printing of your 2017 Idaho state tax forms.

Idaho State Income Tax Refund Status

To check the status of your Idaho Form 40 income tax refund online, visit the Idaho State Tax Commission website and use their Where's My Refund service. Idaho State Tax Commission states on their website that electronically filed refunds process in about 7 weeks. Mailed in paper refunds can take up to 10 weeks to complete processing.

To check the status of your Idaho income tax refund for 2017 you will need the following information:

  • Social Security Number or ITIN
  • Refund Amount

The requested information must match what was submitted on your Idaho Form 40 state income tax forms for the current year. To look up prior year refunds, you will need to contact the Idaho State Tax Commission service center by phone, email, or mail.

To contact the Idaho State Tax Commission service center by phone or email, use the check your refund status link above. Alternatively, view or print the 2017 Idaho Form 40 instructions to obtain the proper phone number and mailing address.

Last updated: December 27, 2017