Idaho Tax Guide 2026

Idaho Income Tax Overview

Idaho has a Flat 5.8% rate. When combined with federal income tax and FICA taxes, Idaho residents in the median income range of $63,377 typically face a combined effective tax rate of approximately 31% on their gross income. The state income tax is calculated on taxable income after the federal standard deduction of $16,100 (single) or $32,200 (married filing jointly) for 2026.

Idaho Sales Tax Rate 2026

Idaho's combined sales tax rate is 6.03%, which includes a state rate plus an average local rate. On a $100 purchase, you pay $6.03 in sales tax — and $30.15 on a $500 purchase. Rates can vary within the state based on county and city jurisdiction.

Property Taxes in Idaho

Idaho homeowners pay an effective property tax rate of 0.58% annually. On the Idaho median home price of $430,000, that means approximately $2,494 per year — or $208 added to your monthly mortgage payment. Idaho's property tax rate is near the national average of 1.07%.

Total Tax Burden for Idaho Residents

When calculating the total tax burden for a Idaho household earning $63,377 annually, you must add: federal income tax (approximately $7,605), FICA taxes (7.65% = $4,848), Idaho state income tax (approximately $2,573), and property taxes if you own a home. Use the specific calculators above to get your exact personalized numbers based on your income, filing status, and situation.

Tax Tips for Idaho Residents in 2026

• Maximize your 401(k) to $24,500 — reduces both federal AND Idaho state income tax
• HSA contributions are deductible from both federal and state income tax in Idaho
• Check if Idaho has its own standard deduction (some states have lower amounts than federal)
• The 2026 OBBBA tip and overtime deductions apply at federal level — check Idaho conformity