State Income Tax
South Dakota is one of the few states with no state income tax, meaning residents pay no state-level tax on wages, salaries, or self-employment income. This makes South Dakota attractive for individuals and business owners looking to minimize their overall tax burden. Note that federal income tax still applies regardless of state tax status.
Retirement Income Details
No state personal income tax.
Does South Dakota have a state income tax?
No. South Dakota does not impose a state income tax on individuals. Residents are not required to pay state income tax on wages, salaries, or self-employment income, though federal income tax still applies.
What is the South Dakota income tax rate?
South Dakota has no state income tax rate — residents owe $0 in state income tax.
Is Social Security taxed in South Dakota?
No. South Dakota does not tax Social Security benefits, which can be significant for retirees living on fixed incomes.
Is retirement income taxed in South Dakota?
No. Since South Dakota has no state income tax, all retirement income including pensions, 401(k) distributions, and IRA withdrawals is free from state tax.
When is the South Dakota income tax filing deadline?
The South Dakota state income tax filing deadline is N/A.
What is the standard deduction in South Dakota?
South Dakota has no state income tax, so no standard deduction applies at the state level.
How does South Dakota income tax compare to neighboring states?
South Dakota is one of the few states with no income tax, which sets it apart from most neighboring states that do impose state income tax.
Last verified: 2026-03-31 · Always consult a tax professional before making financial decisions.