South Dakota income tax at a glance
- Taxes wage income
- No
- 2026 structure
- No individual income tax
- Return due (2026 tax year)
- No return for wages
- Tax agency
- South Dakota Department of Revenue
South Dakota: No individual income tax. You generally do not file a South Dakota income tax return for wages. No state individual income tax return is due for wage income.
Filing a South Dakota return with tax software
Because South Dakota does not tax wages, you usually only need a federal return, so you can skip state fees. If you lived or worked in another state with an income tax during the year, you may need to file there. Compare federal costs in the price tracker or see how to file free.
Federal deadlines still apply
Your federal 2026 return is due April 15, 2027, wherever you live. See the full 2027 federal tax calendar, estimate your refund with the refund estimator, or compare tax software.
Official sources
- South Dakota Department of Revenue for South Dakota forms, rates and due dates
- IRS: South Dakota state resources
Rates and dates can change; always confirm with the South Dakota Department of Revenue before you file.
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FAQ
Does South Dakota have a state income tax?
No. No individual income tax.
When is the South Dakota tax deadline in 2027?
South Dakota has no individual income tax return for wages. Your federal return is due April 15, 2027.
Does tax software charge for a South Dakota return?
No state return is needed for wages, so there is no state fee.
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