Idaho Income Tax (2026)

Info: Flat 5.3% for 2026 (the first ~$4,800 single / $9,600 married is taxed at 0%).

InfoVerified May 31, 2026

Tax rules change at the state line.Track them in the free LawLert iPhone app and get an alert when you cross into a state where they differ. No account.Get the app

Flat 5.3% for 2026 (the first ~$4,800 single / $9,600 married is taxed at 0%).

Official source: tax.idaho.gov →

General legal information, not legal advice — verify important decisions with a licensed attorney.

Don't get caught off guardCross into a state where this law is different and the free iPhone app tells you what changed, even with the app closed. It also alerts you when a law you track changes where you live. No account.Get the free app

Track this law — get alerted when it changes

We watch the official sources behind Idaho taxes rules. If a tracked rule changes, you get one short email — never more than one a week. Free, unsubscribe anytime.