TaxMath

2026 Idaho Income Tax Brackets & Rates

Federal and state tax brackets, capital gains rates, and corporate tax rates for Idaho in tax year 2026.

Federal Income Tax Brackets (2026)

FromToRate
$0$12,40010.00%
$12,400$50,40012.00%
$50,400$105,70022.00%
$105,700$201,77524.00%
$201,775$256,22532.00%
$256,225$640,60035.00%
$640,60037.00%

Idaho State Income Tax Brackets (2026)

FromToRate
$0$4,6730.00%
$4,6735.30%

Federal Capital Gains Tax Brackets (2026)

FromToRate
$0$49,4500.00%
$49,450$545,50015.00%
$545,50020.00%

Additional Information

Federal Corporate Tax Rate
21.00%
State Corporate Tax Rate
5.30%
Federal Standard Deduction (Single)
$16,100