Paycheck for Idaho (2026)

Last updated: January 15, 2026

Idaho (ID) Key Facts

State Income Tax

5.8%

State Sales Tax

6%

Pay Frequency

Bi-weekly (most common)

Federal Withholding

Based on W-4 elections

How This Calculator Works in Idaho

This calculator estimates your net paycheck in Idaho accounting for federal taxes, FICA, and state income tax up to 5.8%. Enter salary and pay frequency to see take-home pay.

Idaho Overview

Paychecks in Idaho are subject to federal income tax, FICA (Social Security and Medicare), and state income tax at flat 5.8%. Idaho withholds state income tax at rates up to 5.8% from employee paychecks.

How Idaho Compares

Idaho's 5.8% state income tax means smaller paychecks compared to Washington (0%) and Oregon (9.9%). Differences compound over a full year.

StateTop RateNotes
Washington0%Washington has an income tax rate of 0%.
Oregon9.9%Oregon has an income tax rate of 9.9%.
Montana6.75%Montana has an income tax rate of 6.75%.

Idaho's income tax rate of 5.8% compares to a national average of approximately 5.04%. This is above the national average.

Tips for Idaho Residents

  • 1Idaho withholds state income tax at flat 5.8% from each paycheck, in addition to federal taxes.
  • 2Idaho withholds state income tax at rates up to 5.8% from employee paychecks.
  • 3Maximize pre-tax contributions to 401(k), HSA, and FSA accounts to reduce both federal and state taxable income on every paycheck.
  • 4Review your state W-4 or withholding form annually, especially after salary changes, marriage, or a new dependent.
  • 5Compare net pay across pay frequencies: bi-weekly (26 checks) vs. semi-monthly (24 checks) to plan your budget accurately.

Frequently Asked Questions

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