An employer is not required to withhold Idaho taxes for an employee working outside Idaho, but they may voluntarily do so. Talk to your employer’s payroll department.
If you are an Idaho resident, all your income is taxable by Idaho, regardless of where you earn it. If your employer does not withhold Idaho taxes, you should start making quarterly estimated tax payments to Idaho.
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
