South Dakota Income Tax — No State Income Tax
South Dakota is one of the states with no state income tax. Residents keep more of their paycheck — only federal taxes and FICA apply.
State Tax
None
Tax-free state
COL Index
93
Below national avg
Median Income
$69,457
Household
Brackets
0
No brackets
South Dakota State Tax at Different Income Levels
| Gross Income | State Tax | Effective Rate |
|---|---|---|
| $50,000 | $0 | 0.00% |
| $75,000 | $0 | 0.00% |
| $100,000 | $0 | 0.00% |
| $150,000 | $0 | 0.00% |
| $200,000 | $0 | 0.00% |
| $300,000 | $0 | 0.00% |
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Frequently Asked Questions about South Dakota Taxes
Does South Dakota have state income tax?
South Dakota does not have a state income tax. It is one of nine US states that allow residents to keep more of their paycheck by only taxing income at the federal level.
How much is federal tax in South Dakota?
Federal income tax in South Dakota is the same as in all other US states. For 2026, the federal brackets range from 10% to 37%, depending on your taxable income and filing status.
What is the cost of living in South Dakota?
The cost of living in South Dakota has an index of 93, where 100 is the national average. This means South Dakota is 7% cheaper than the average US state.