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Crypto & tax · ID

Idaho Crypto Tax Calculator

Estimate your 2026 federal and Idaho state tax on crypto capital gains, with FIFO, LIFO, or HIFO cost basis.

Cost-basis method — changes which lots are sold
Transactions4
$
$
$
$
$
Estimated tax owedFIFO
$2,443
short-term gains$3,000
long-term gains$8,000
short-term tax$660
long-term tax$1,200
ID state tax$583
total gains
$11,000
estimated tax
$2,443
effective rate
22.2%

A $10,000 crypto gain realized in Idaho attracts about $530 in Idaho tax — a marginal rate of 5.30% — for someone otherwise earning the state median of $81,650. Federal capital-gains tax applies on top.

Idaho taxes capital gains as ordinary income, so the gain stacks on your other income and is taxed at the rate that band falls in. Figures use 2025 Idaho rules and 2026 federal rules, single filer. Holding period decides the federal rate.

Crypto capital-gains tax in Idaho

Idaho cut its income tax rate from 5.695% to 5.3% for tax year 2025 via House Bill 40, made retroactive to January 1, 2025 — the largest income tax cut in state history. The tax is effectively flat: 5.3% applies to taxable income above a small zero-rate band ($4,673 single / $9,346 married filing jointly), after a standard deduction that mirrors the federal amounts.

Idaho taxes capital gains and crypto as ordinary income, at the same 5.3% rate that applies to wages.

Common questions

How are crypto gains taxed in Idaho?
As ordinary income: this estimate stacks the gain on your other income and runs it through the same schedule as wages — a single 5.3% rate, above Idaho's $4,673 exempt band. Any Idaho exclusion or cap on long-term gains is not applied here.
How much Idaho tax would a $10,000 crypto gain cost?
About $530 of Idaho tax, on top of federal capital-gains tax. That is the gain stacked on Idaho's $81,650 median household income (2024), where it lands in the 5.3% band.
What Idaho rate applies to my gain?
5.3% on whatever part of the gain sits above Idaho's $4,673 exempt band, once the gain is added to your other income. Because there is only one rate, the size of the sale does not change the Idaho rate — only the federal one.

How we calculate this

Federal lot-matching per our crypto-tax methodology, plus Idaho's 2025 state treatment of capital gains (2026 state tables pending). Estimates only — not tax advice.

Tax Foundation: 2025 state income tax rates →Idaho State Tax Commission →

More on Idaho tax

Everyday moneyWhat lands in a Idaho paycheckThe same salary split across real pay periods, after federal tax, FICA and Idaho withholding.Everyday moneyIdaho tax brackets and what you oweThe full Idaho schedule — every bracket, the top rate and the deductions applied before them.
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Estimates for general informational purposes only; not tax advice. Crypto tax rules are complex and Idaho state treatment is simplified here — verify with the state Department of Revenue and a tax professional. Idaho's single-rate 5.3% schedule is applied with the $15,750 standard deduction for a single filer — not itemized deductions or any Idaho tax credit. It also excludes any local, county, or school-district tax your municipality may add.