South Dakota Self-Employment Tax Calculator 2026
South Dakota has no state income tax, so your self-employment income is only subject to federal taxes. Use this calculator to estimate your total tax liability including federal self-employment tax, federal income tax.
Your 2026 Tax Estimate — South Dakota
Total Tax
$0
Take Home
$0
Effective Rate
0%
Quarterly Payment
$0
Tax Breakdown
Quarterly Estimated Tax Schedule
Self-Employment Tax in South Dakota (SD)
Great news for self-employed workers in South Dakota: there's no state income tax. Your 1099 income is only subject to federal self-employment tax (15.3%) and federal income tax (10-37%). This can result in significant tax savings compared to states with income tax.
Even without state income tax, you're still responsible for making quarterly estimated tax payments to the IRS for your federal taxes. Use the calculator above to estimate your quarterly payment amounts.
How Self-Employment Tax Works
The federal self-employment tax rate is 15.3% — covering both Social Security (12.4%) and Medicare (2.9%). This is calculated on 92.35% of your net self-employment earnings. For 2026, Social Security tax applies to earnings up to $176,100. You can deduct half of your SE tax when calculating your federal income tax, which reduces your overall tax burden.
Other States
No Income Tax States
South Dakota Tax Quick Facts
- Income Tax
- None
- Federal SE Tax
- 15.3%