Free Idaho Payroll Calculator — 2026
Payroll Calculator
Calculate gross-to-net pay with federal taxes, FICA, and state withholding. See your take-home pay instantly.
Idaho Payroll Tax Information (2026)
Idaho has a flat income tax rate of 5.8% after transitioning from a progressive system. Employers must also pay state unemployment tax.
| State Tax Rate | 5.8% |
| Tax Structure | Flat rate |
| Tax Authority | Idaho State Tax Commission ↗ |
Frequently Asked Questions
What is the income tax rate in Idaho?
Idaho has a 5.8% flat income tax rate. Idaho has a flat income tax rate of 5.8% after transitioning from a progressive system. Employers must also pay state unemployment tax.
How do I calculate my take-home pay in Idaho?
Enter your gross salary or hourly rate above. Our calculator automatically applies 2026 federal tax brackets, Idaho state taxes, FICA (Social Security and Medicare), and any pre-tax deductions to calculate your exact take-home pay. Download a pay stub PDF when you're done.
Does Idaho have local income taxes?
Idaho state income tax is 5.8% (flat). Some localities may impose additional taxes — check with the Idaho State Tax Commission for local requirements.