How Idaho Taxes Affect Your Paycheck

Idaho uses a flat state income tax rate, with rates flat 5.695%.

Most employees in Idaho have federal income tax, Social Security, and Medicare withheld from each paycheck in addition to any applicable state withholding.

Idaho does not generally impose broad local wage income taxes, which keeps paycheck withholding simpler than many local-tax jurisdictions.

Idaho Income Tax Brackets (2026)

Taxable Income	Tax Rate
All taxable income	5.695%

Other Idaho Payroll Taxes

Idaho does not generally require employee SDI withholding. Employer unemployment taxes are typically not deducted from employee wages.

Federal Taxes That Apply in Idaho

In addition to Idaho state taxes, your Idaho paycheck is subject to federal taxes:

Federal Income Tax: 10% to 37% based on your income and filing status
Social Security Tax: 6.2% on income up to $176,100 (2026)
Medicare Tax: 1.45% on all income, plus 0.9% additional Medicare tax on income over $200,000

Tax Data Sources

State tax rates and brackets sourced from:

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Idaho Paycheck Calculator 2026