Idaho Paycheck Calculator (2026)
Estimate your real take-home pay in Idaho for the 2026 tax year. Idaho has a flat 5.3% income tax, withheld on top of federal income tax, Social Security and Medicare. Enter your salary below — everything updates instantly.
State tax uses Idaho's 2026 single-filer schedule with the state standard deduction only. Local/city income taxes and credits are not included.
Idaho income tax in 2026
Idaho taxes wages at a flat 5.3% after a standard deduction of $16,100 (single). A flat tax means every additional dollar you earn is taxed at the same state rate, whatever your income.
Worth knowing: Flat rate cut to 5.3% in 2025; almost no local sales taxes outside resort towns.
Worked example: $65,000 in Idaho
A single filer earning $65,000 with no pre-tax deductions pays $5,620 in federal income tax, $4,030 in Social Security and $943 in Medicare, plus $2,592 in Idaho state income tax. That leaves $51,816 per year — about $4,318 a month, or $1,993 per biweekly paycheck — an effective all-in rate of 20.3%.
Frequently asked questions
Does Idaho have a state income tax?
Yes. Idaho has a flat 5.3% income tax for the 2026 tax year, withheld from wages in addition to federal tax and FICA.
How much is $65,000 after taxes in Idaho?
A single filer earning $65,000 in Idaho takes home roughly $51,816 per year in 2026 — about $4,318 per month or $1,993 per biweekly paycheck — after federal tax ($5,620), Social Security ($4,030), Medicare ($943) and Idaho state tax ($2,592).
How much is $100,000 after taxes in Idaho?
On a $100,000 salary, a single filer in Idaho keeps roughly $74,733 in 2026, an effective all-in tax rate of about 25.3%.
What taxes come out of every US paycheck?
Three federal deductions apply everywhere: federal income tax across the 2026 brackets, Social Security at 6.2% (on wages up to $184,500), and Medicare at 1.45% (plus 0.9% above $200,000). State income tax is added where the state levies one.
Last reviewed January 15, 2026 for the 2026 tax year. Rates change — always confirm against the official sources below before making financial decisions.
- Idaho State Tax Commission — official state tax authority
- Internal Revenue Service (IRS) — 2026 federal brackets, standard deduction and FICA
- Tax Foundation — state and average local sales tax comparisons