Idaho (ID) State Income Tax Return Forms, Free E-Filing and Government Information

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Idaho State Tax Filing Information

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The eSmart Tax online tax return filing solution makes it easy to efile your Idaho state tax return using the correct state tax forms. Prepare your full-year resident Idaho state tax return alongside your federal tax return for your convenience.

The regular deadline to file a Idaho state income tax return is April 30.

Find additional information about Idaho state tax forms, Idaho state tax filing instructions, and government information.

eSmart Tax supports the following Idaho Tax Forms (Click here to download Idaho tax forms)
Supported Idaho Form 39R
Supplemental Schedule (For Form 40, Resident Returns Only)
Supported Idaho Form 40
Individual Income Tax Return
Supported Idaho Form 40V
Payment Voucher
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State ID Website and Contacts
State Website
Taxpayer Assistance: (800) 972-7660
Refund Status: (888) 228-5770
Check Refund
Status Online:
State Return Type
Residency: Return Type: Status:
Resident FORM 40 Available
Resident (Short) FORM 40EZ Available
Part-Year FORM 43 Available
Non Residency FORM 43 Available
Special Processing
Type: Availability:
State-only tax return: Supported
Decedent Return: Not supported by state e-file
Return with foreign address: Supported
State ID Amount Owe Payment Option
You have the following options to pay your tax:
  1. Send e-payment through state website.
  2. Mail in a check.
    You need to attach Payment Voucher (Form ID-40V)

    Mail check to:
    Idaho State Tax Commission
    PO Box 83784
    Boise ID 83707-3784
State ID Overpayment Option
You have the following options:
  1. Apply your refund amount to next year's tax payment.
  2. Contribute your refund amount to charity.
  3. Receive your refund by check through mail.
  4. Receive your refund by direct deposit to your bank account.
Availability: Type: Notes:
Supported N/A N/A