Overview of Idaho Taxes
In 2023, Idaho transitioned to a flat income tax system, imposing a rate of 5.8% on taxable income over $2,500 for individuals, trusts, and estates, shifting from its previous graduated-rate tax system. This change simplifies tax calculations, mirroring a broader trend of tax simplification.
To use the Idaho income tax calculator, simply input your desired salary and filing status to begin.

2023/24 Idaho Income Tax Calculator
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