Idaho Income Tax Table Idaho Income Tax Brackets (Tax Year 2017)

Tax Year 2017 / Filed April 2018

Idaho - 2018 Single Tax Brackets
Tax Bracket Tax Rate
$0.00+ 1.6%
$1,472.00+ 3.6%
$2,945.00+ 4.1%
$4,417.00+ 5.1%
$5,890.00+ 6.1%
$7,362.00+ 7.1%
$11,043.00+ 7.4%
Idaho - 2018 Married Filing Jointly Tax Brackets
Tax Bracket Tax Rate
$0.00+ 1.6%
$2,944.00+ 3.6%
$5,890.00+ 4.1%
$8,834.00+ 5.1%
$11,780.00+ 6.1%
$22,086.00+ 6.92%
$14,724.00+ 7.1%

This page shows's archived Idaho tax brackets for tax year 2017. This means that these brackets applied to all income earned in 2017, and the tax return that uses these tax rates was due in April 2018.

Both Idaho's tax brackets and the associated tax rates were last changed one year prior to 2018 in 2017.

The latest available tax rates are for 2023, and the Idaho income tax brackets have been changed since 2017.

2018 Idaho Tax Deduction Amounts also maintains an archive of important Idaho income tax exemption amounts, including the Idaho Standard Deduction, the Idaho Personal Exemption, and the Idaho Dependent Deduction. The values of these deductions for tax year 2017 are as follows:

Standard Deduction (Single) Standard Deduction (MFJ) Personal Exemption Dependant Exemption
$12,000.00 $24,000.00 $0.00 $0.00

Idaho Income Tax Table 2018 Sources & Citations

Disclaimer: While we do our best to keep our historical Idaho income tax rates up to date and complete, we cannot be held liable for errors or omissions. Is info on this page missing or out-of-date? Please let us know so we can fix it!

Tax Data Sources:

  1. The Idaho tax brackets on this page sourced from the Idaho Department of Revenue for 2018. Please contact us if any of our Idaho tax data is incorrect or out of date.

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