Idaho Income Tax Brackets 2025 — Flat 5.695% Rate

See the Idaho flat 5.695% income-tax rate for 2025 and estimate your state tax instantly, in your browser.

Free Idaho income tax brackets reference for 2025. See the flat 5.695% rate for single and married-filing-jointly filers, standard deductions and exemptions, and estimate your Idaho state income tax. Source: Tax Foundation 2025 + Idaho State Tax Commission. Runs entirely in your browser; no data sent to any server. It runs free in your browser on Gera Tools, with nothing uploaded.

Last updated Source: Gera Tools

What is the Idaho income tax rate for 2025?

Idaho has a flat 5.695% individual income tax for 2025, applied to all taxable income regardless of filing status or income level. (Source: Tax Foundation, 2025 State Individual Income Tax Rates and Brackets.)

Idaho Income Tax Brackets 2025

Idaho levies a flat 5.695% individual income tax for 2025 — one rate on all taxable income, regardless of how much you earn.

Pick your filing status and enter your taxable income below to see the official 2025 bracket table, your estimated Idaho state tax, and your marginal and effective rates. Everything runs in your browser — no data is transmitted.

Important: Idaho has a flat 5.695% individual income tax for 2025. These are state income-tax brackets only — they exclude federal income tax, FICA, and any local city/county income taxes. Verify the current figures with the Idaho State Tax Commission.