South Dakota 1099 Tax Calculator
South Dakota doesn't tax income, so your bill is federal only: self-employment tax plus income tax. See exactly what that is and what you keep.
- You keep $55,658
- SE tax $9,891
- Federal $4,452
- SD $0
| Self-employment tax | $9,891 |
| Federal income taxAfter QBI deduction $9,791 | $4,452 |
| South Dakota income taxNo state income tax | $0 |
| Total | $14,342 |
South Dakota income tax rates for 2026
South Dakota levies no personal income tax, so self-employment income is taxed only by the IRS.
How 1099 income is taxed in South Dakota
Every self-employed person in the US pays the same federal self-employment tax: 15.3% on 92.35% of net profit, covering Social Security and Medicare (see the self-employment tax calculator). Federal income tax then applies after the standard deduction, half of SE tax and the 20% QBI deduction. South Dakota stops there.
Pay the IRS quarterly with the quarterly estimated tax calculator.
Questions freelancers ask
How much tax do self-employed people pay in South Dakota?
South Dakota has no state income tax on business profit, so a South Dakota freelancer pays only federal taxes: 15.3% self-employment tax on 92.35% of net profit plus federal income tax. On $70,000 of net profit (single, 2026) that is about $14,342 in total.
Does South Dakota have its own self-employment tax?
No state charges a separate self-employment tax; the 15.3% Social Security and Medicare tax is federal only. South Dakota does not tax personal income either.
How much should a South Dakota freelancer set aside for taxes?
With the example above, about 18% of every client payment. Your figure depends on income, expenses and filing status; the calculator on this page works it out.