Self-employment tax in Idaho
Idaho taxes self-employed income at a flat 5.3% for 2025 on Idaho taxable income, on top of federal self-employment and income tax.
What a Idaho freelancer owes
- Federal self-employment tax of 15.3% (12.4% Social Security + 2.9% Medicare).
- Idaho flat tax of 5.3% for 2025, down from 5.69% in the prior year, according to the Idaho State Tax Commission.
- The 5.3% rate applies to Idaho taxable income, not to gross receipts.
Estimate your Idaho taxes
Free 1099 self-employment tax calculator — add Idaho's 5.3% flat state rate. No sign-up.
Enter Idaho's 5.3% flat in the State Tax field for a full estimate.
States with no income tax are set to 0%. Estimate only — adjust for local taxes.
Estimated total tax
$13,567
Effective rate 26.1% on $52,000 net profit
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Estimates use 2026 US federal figures (IRS Rev. Proc. 2025-32): self-employment tax of 15.3% (12.4% Social Security up to the $184,500 wage base + 2.9% Medicare) plus federal income tax on your net profit after the standard deduction. State and local taxes are only included if you set a state rate above. Simplified estimate for planning only — not tax advice.
Idaho freelancer tax — FAQ
Is Idaho income tax flat or graduated?
Idaho income tax is flat. For 2025 the rate is 5.3% of Idaho taxable income.
What is Idaho taxable income?
Idaho taxable income is the income subject to Idaho tax after the adjustments and deductions allowed on the Idaho return. The 5.3% rate applies to that amount, not to gross receipts.
How do I estimate my Idaho 1099 taxes?
Use the free MoneyFeed 1099 calculator for the federal estimate, then add Idaho tax at 5.3% of Idaho taxable income.
Figures are 2026 headline guidance for freelancers and the self-employed, not tax advice. Check current IRS and state rules or a CPA for your situation.
Self-employment tax in other states
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