No. South Dakota has no state income tax at all, so Social Security benefits are not taxed at the state level.
South Dakota levies no state income tax on any income, including Social Security, wages, and most retirement distributions. Retirees in South Dakota owe no state tax on their benefits — though federal tax on Social Security may still apply depending on total income.
No. South Dakota has no state income tax at all, so Social Security benefits are not taxed at the state level.
Possibly. State treatment is separate from federal. Up to 85% of Social Security benefits can be taxable on your federal return depending on your combined income, regardless of how your state treats them.
Note: State treatment of Social Security for 2026 is an estimate from SAWD's tax engine. Confirm with the South Dakota Department of Revenue.
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