2026 tax year · Idaho
Marketplace seller taxes in Idaho
Etsy, eBay, Shopify and the rest report your gross and withhold nothing. The gap between that and what you are actually taxed on is your costs, in Idaho that gap is worth $7,256 in tax.
Take a driver who grossed $45,000 over 18,000 business miles. After mileage at 74.3 cents and the rest of the stack, worked through on the marketplace seller page $26,775 comes off and $18,225 is left as taxable profit. That profit is what Idaho and the IRS charge against.
What that leaves you owing in Idaho
Idaho taxes income at a flat 5.3% for 2026, applied on top of federal income tax and self-employment tax.
| Self-employment tax | $2,575 |
| Federal income tax | $67 |
| Idaho income tax | $898 |
| Total tax | $3,540 |
| Effective rate on gross | 7.9% |
Earning more in Idaho
A single filer taking the standard deduction, this work as the only income, the calculator above handles the other filing statuses. Miles rise with earnings, so the deduction rises too, and the effective rate on gross climbs more slowly than it would for someone whose income grew without expenses attached:
| Volume | Gross | Mileage off | Taxable profit | Idaho tax | Total tax | Rate on gross |
|---|---|---|---|---|---|---|
| Part-time | $15,000 | $0 | $15,000 | $739 | $2,858 | 19.1% |
| Steady side income | $45,000 | $0 | $45,000 | $2,217 | $10,796 | 24.0% |
| Full-time | $72,000 | $0 | $72,000 | $3,546 | $18,350 | 25.5% |
Switching state opens that state's page.
Enter your numbers and press Calculate to see your 2026 estimate.
Idaho specifics that change the number
Idaho is a community property state. In community property states, income earned during marriage is generally owned equally by both spouses. This affects QJV eligibility, MFS filing strategies, and retirement account contribution rules.
Selling into and out of Idaho
Income tax follows you: Idaho taxes your profit wherever the buyer was. Sales tax does not. Marketplace facilitator laws make the platform collect and remit sales tax on your behalf in most states, which is why a seller can have customers in all fifty and still file only one income tax return. Selling off-platform is where that stops being true.
On $18,225 of profit, what the states around Idaho would charge:
| State | Its tax | vs Idaho |
|---|---|---|
| Nevada | No income tax | −$966 |
| Washington | No income tax | −$966 |
| Wyoming | No income tax | −$966 |
| Montana | $199 | −$767 |
| Utah | $820 | −$146 |
| Oregon | $866 | −$100 |
- Nevada has no income tax at all, so the same work done there costs $966 less in state tax than it does in Idaho.
- Washington has no income tax at all, so the same work done there costs $966 less in state tax than it does in Idaho.
- Wyoming has no income tax at all, so the same work done there costs $966 less in state tax than it does in Idaho.
- Montana would take $767 less, $199 against Idaho's $966.
- Utah would take $146 less, $820 against Idaho's $966.
- Oregon would take $100 less, $866 against Idaho's $966.
Marketplace seller tax questions in Idaho
How much should an Idaho seller set aside?
About 7.9% of gross on the $45,000 example, $3,540 across self-employment tax, federal income tax and $898 to Idaho. Set aside from each payout rather than finding it in April.
Does the $45,000 on my 1099-NEC match what Idaho taxes?
No. Idaho taxes profit, not gross. After $26,775 of deductions the taxable figure is $18,225, so the Idaho bill is $898 rather than what gross alone would suggest.