Idaho Self-Employment Tax Calculator

Calculate your self-employment tax, federal income tax, and Idaho state income tax as a freelancer or 1099 contractor. Idaho has a flat income tax rate of 5.

Annual Tax Breakdown

1099 Income
$85,000
Business Expenses
-$10,000
Net Profit
$75,000
Net Earnings (92.35%)(SE tax base)
$69,263
Social Security (12.4%)
-$8,589
Medicare (2.9%+)
-$2,009
Total SE Tax
-$10,597
SE Deduction (50%)(reduces income tax)
$5,299
Federal Income Tax
-$6,794
State Income Tax
-$4,350
Total Tax Owed
$21,741

Summary

Total Income
$75,000
Total Taxes
-$21,741
After-Tax Income
$53,259
Effective Tax Rate(on total income)
29.0%

Quarterly Estimated Payments

Q1 (Jan-Mar)Due April 15
$5,435
Q2 (Apr-May)Due June 15
$5,435
Q3 (Jun-Aug)Due September 15
$5,435
Q4 (Sep-Dec)Due January 15 (next year)
$5,435
Each Quarterly Payment
$5,435

Tax Breakdown

See your complete freelancer financial picture

Your estimated quarterly tax payment is $5,435. Model your freelance income alongside expenses, savings, and investments in the full simulator.

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Idaho Tax Overview for Freelancers

Idaho has a flat income tax rate of 5.8%. The state recently transitioned from a progressive to a flat tax system. Self-employed individuals in Idaho pay federal self-employment tax (15.3%) plus federal income tax, and Idaho state income tax on their net self-employment earnings.

Flat 5.8% rateGrowing tech industry in BoiseNo tax on Social Security

Self-Employment Taxes in Idaho

If you work as a freelancer or independent contractor in Idaho, your tax situation involves multiple layers: federal self-employment tax, federal income tax, and Idaho state income tax. Understanding how each component works helps you plan your quarterly estimated payments and maximize your deductions.

Idaho Income Tax for Freelancers

Idaho has a flat income tax rate of 5.8%. The state recently transitioned from a progressive to a flat tax system.

Cost of Living for Freelancers in Idaho

Idaho's cost of living is about 3% below the national average, though Boise has become more expensive due to rapid growth. As a freelancer in Idaho, your effective earnings depend not just on your tax rate but also on what your after-tax income can buy. Consider local costs for housing, coworking spaces, and daily expenses when setting your rates.

Financial Tips for Idaho Freelancers

  • Idaho's flat 5.8% rate provides predictable tax planning
  • Boise's growing tech scene offers competitive salaries with a lower cost of living
  • Idaho has no tax on Social Security benefits
  • Idaho's cost of living is slightly below the national average despite rapid growth

Key Idaho Tax Features

  • Flat 5.8% rate
  • Growing tech industry in Boise
  • No tax on Social Security

Model Your Idaho Freelance Finances Over Time

This calculator shows your Idaho tax bill. Trajectoryy's full simulator models your freelance income alongside expenses, savings, investments, and more — month by month for years into the future.

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Compare Idaho with Other States

WashingtonNo income taxOregon9.9% top rateMontana5.9% top rateCalifornia13.3% top rateTexasNo income taxNew York10.9% top rate

Frequently Asked Questions

How is self-employment tax calculated in Idaho?
Self-employed workers in Idaho pay federal self-employment tax (15.3% on 92.35% of net earnings), federal income tax, and Idaho state income tax. Idaho has a flat income tax rate of 5.8%. The state recently transitioned from a progressive to a flat tax system.
How much will I owe in quarterly taxes as a freelancer in Idaho?
Your quarterly estimated tax payment in Idaho depends on your total tax liability — including SE tax, federal income tax, and Idaho state income tax. Use the calculator above to estimate your quarterly payments. As a general rule, freelancers should set aside 25-35% of their net income for taxes.
What business deductions are available for Idaho freelancers?
Freelancers in Idaho can deduct the same federal business expenses as in any state: home office, equipment, software, health insurance, vehicle expenses, and more. These deductions also reduce your Idaho state taxable income, providing additional state tax savings.
Does Idaho have any special taxes for self-employed workers?
Idaho does not have a separate self-employment tax. However, your net self-employment income is subject to Idaho's regular income tax (5.8% top rate) in addition to federal self-employment tax and federal income tax.
Should I form an LLC or S-Corp as a freelancer in Idaho?
The decision to form an LLC or S-Corp in Idaho depends on your income level. Generally, if your net self-employment income exceeds $50,000-$60,000, an S-Corp election may save you money by allowing you to pay yourself a reasonable salary (subject to FICA/Medicare) while taking the rest as distributions (not subject to SE tax). Consult a Idaho tax professional for advice specific to your situation.

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State Tax-$2,384
FICA + Medicare-$4,973
Net Pay$50,181
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