Updated September 5, 2026. Quick answer: No. South Dakota has no state personal income tax.
Looking for pension and retirement-account withdrawals instead? See does South Dakota tax pensions.
Confidence note: high. This page is scoped to Social Security taxation specifically. For the state’s full retirement-tax picture (pensions, tax rates, estate and probate), see how South Dakota taxes retirement income generally.
How South Dakota taxes Social Security benefits
| State personal income tax | No |
|---|---|
| Social Security treatment | No state income tax |
| How it works | The South Dakota Dept. of Revenue confirms the state is “one of seven states that does not impose a state income tax.” |
Figures verified against the South Dakota Dept. of Revenue income tax page on September 29, 2026; the state constitution citation was not re-checked.
Statute and sources
Governing source: South Dakota Dept. of Revenue, Individuals & Taxes.
Read September 5, 2026.
Coordinate this with your overall retirement plan
An adviser can help weigh how much of your Social Security income actually reaches you after state tax, whether the timing of other withdrawals affects that, and how it fits the rest of your plan, but that does not replace the numbers in your own return.
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Related: how South Dakota taxes retirement income generally · does South Dakota tax Roth conversions? · Roth conversion taxes, all 51 jurisdictions.
General information drawn from each state’s own published statutes and revenue-department guidance, not legal, tax or financial advice. Figures and exemption amounts are current as of the date in the quick answer, are set by state law, and can change by future legislation; any pending bill named on this page is not yet law. This page cannot see your own return, which governs. We are not a law firm, a tax adviser, or a fiduciary, and this is not personalized advice.
For your own numbers, run the Retirement Tax Comparison Tool (2026): Compare Any Two States.
See Retirement Tax Relocation (2026): The Four Taxes That Change When You Move for the full state by state breakdown.