Self-Employment Tax for South Dakota (2026)
South Dakota (SD) Key Facts
Federal S E Tax Rate
15.3%
State Income Tax Rate
0%
Combined S E + State Rate
15.3%
S E Tax Components
12.4% Social Security + 2.9% Medicare
How This Calculator Works in South Dakota
This calculator estimates your total self-employment tax in South Dakota, including the federal 15.3% SE tax and applicable federal income tax. Enter your net SE income to see your liability.
South Dakota Overview
Self-employed workers in South Dakota pay only the federal 15.3% self-employment tax (covering Social Security and Medicare) since the state has no income tax. No state income tax on SE income. South Dakota is a popular state for establishing trusts and LLCs.
How South Dakota Compares
South Dakota's combined SE burden of 15.3% compares to North Dakota at 17.3% and Minnesota at 25.1%. No state income tax keeps the SE burden at the federal minimum.
| State | Top Rate | Notes |
|---|---|---|
| North Dakota | 1.95% | North Dakota has a state income tax on SE income rate of 1.95%. |
| Minnesota | 9.85% | Minnesota has a state income tax on SE income rate of 9.85%. |
| Nebraska | 5.84% | Nebraska has a state income tax on SE income rate of 5.84%. |
South Dakota's state income tax on SE income rate of 0% compares to a national average of approximately 5.04%. This is below the national average.
Tips for South Dakota Residents
- 1Federal self-employment tax is 15.3% (12.4% Social Security + 2.9% Medicare) regardless of state.
- 2South Dakota has no state income tax on self-employment income, keeping your combined rate lower than most states.
- 3No state income tax on SE income. South Dakota is a popular state for establishing trusts and LLCs.
- 4Deduct half of your SE tax on your federal return to reduce adjusted gross income.
- 5Make quarterly estimated federal tax payments (April 15, June 15, Sept 15, Jan 15) to avoid underpayment penalties.