Idaho Income Tax Calculator (2026)

$75,000 single filer in Idaho (2026)

In Idaho, a $75,000 single filer pays federal income tax plus Idaho state income tax (flat rate). Social Security (6.2%) and Medicare (1.45%) apply on top.

This calculator estimates your total income tax burden in Idaho — combining federal tax (using 2026 IRS brackets) with Idaho state income tax. FICA taxes (Social Security 6.2%, Medicare 1.45%) are also included.

Idaho simplified to a flat 5.695% income tax rate. Idaho uses federal taxable income as the starting point, so federal deductions apply directly. Idaho also offers a grocery tax credit to help offset the sales tax paid on food by lower-income residents.

Does Idaho have a state income tax?

Yes. Idaho has a flat state income tax with a top rate of 5.7%.

Are Social Security and Medicare taxes included?

Yes. This calculator includes FICA taxes: 6.2% Social Security (on wages up to $176,100 in 2026) and 1.45% Medicare on all wages.

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Idaho Tax Estimate