State Tax Guide · Idaho · 2026
Idaho Income Tax: Complete Employee Guide (2026)
Understand the modeled Idaho withholding method, source-backed rates, deductions, and take-home pay examples for employees.
Does Idaho have income tax?
Idaho levies state income tax on wages using a payroll-period percentage-method schedule.
Idaho tax rates
Payroll-period percentage-method schedule. For the sourced default single-filer biweekly path, the marginal rate above $577.00 per paycheck is 5.3%.
Official source: https://tax.idaho.gov/document-mngr/pubs_epb00744/
Take-home pay examples
These examples use the calculator engine for a single filer paid biweekly with a standard W-4 and no pre-tax deductions.
| Annual salary | Idaho withholding | Net annual | Net biweekly |
|---|---|---|---|
| $40,000 | $1,326 | $32,994 | $1,269.00 |
| $60,000 | $2,392 | $47,998 | $1,846.08 |
| $80,000 | $3,432 | $61,678 | $2,372.23 |
| $100,000 | $4,498 | $74,682 | $2,872.38 |
| $150,000 | $7,150 | $106,641 | $4,101.58 |
How to reduce Idaho tax withholding
Traditional 401(k) contributions and HSA contributions are available as modeled pre-tax inputs in the calculator. State-specific HSA conformity is not encoded as a dedicated data field, so check current Idaho guidance or consult a qualified tax professional before relying on HSA treatment.
The encoded default withholding method does not include a separate single-filer standard-deduction field.
Key differences from federal withholding
Federal income-tax withholding is calculated separately using IRS Publication 15-T. Idaho withholding follows the encoded state method described above, with its own rates, deductions, and documented limitations. Local wage taxes, where supported, are separate from the state amount.
Idaho salary after taxes
Browse state-specific salary pages for common annual salaries from $40,000 to $200,000.
City guides for Idaho
Explore engine-derived salary and hourly examples for cities in Idaho.
Calculate your personalized Idaho take-home pay.
Calculate your Idaho take-home →Frequently Asked Questions
Does Idaho have an income tax?
Idaho levies state income tax on wages using a payroll-period percentage-method schedule.
What is the Idaho income tax rate for 2026?
Idaho uses a payroll-period percentage-method schedule. For the sourced default single-filer biweekly path, the marginal rate above $577.00 per paycheck is 5.3%.
How much Idaho tax on $75,000?
For the modeled default single-filer path, estimated Idaho withholding on a $75,000 salary is $3,172 per year, or $122.00 per biweekly paycheck.
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