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Idaho Department Of Revenue, Idaho Tax

Idaho Business Corporate Tax, Idaho Personal Income Tax, Idaho Sales Tax Rates

What is the Idaho corporate net income tax rate?

7.6% with a minimum payment of $20 even for a zero return.

What are the Idaho personal net income tax rates?

0-1,272 1.6%
1,272-2,544 3.6%
2,544-3,816 4.1%
3,816-5,088 5.1%
5,088-6,360 6.1%
6,360-9,540 7.1%
9,540-25,441 7.4%
25,441 + 7.8%

What is the average Idaho sales tax rate?


Are there standard deductions?

Single:  $5,450
Joint:  $10,900

Are there personal exemptions?

Single:  $3,500
Dependants:  $3,500

What forms do you file for your Idaho taxes?

Idaho corporations: Form ID41
S corporations: Form ID41S and ID K1
Partnerships: Form ID65
Individual: Form 40

To learn more about nonprofit filings, see our Idaho nonprofit corporation page.

Estimated tax payments?

Form 41ES for Corporations and form 51 for personal. There aren’t quarterly payment systems, but you have to submit 80% of current tax year regularly.

Idaho Department of Revenue:

Idaho State Tax Commission
PO Box 36
800 Park Blvd. Plaza IV
Boise, ID 83722

Telephone: 208-334-7660 or 800-972-7660

Idaho State Tax Commission Coeur d Alene office
1910 Northwest Blvd. STE 100
Coeur d Alene, ID 83814

Website:  Idaho Tax Commission

If you use Northwest Registered Agent as your Idaho LLC or corporation in, receive notification reminders to file your annual reports on time, annual tax reminders, and new State information reminders. All for a low annual flat rate fee of $125 a year. We also help incorporate new Idaho businesses for only $100.


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