South Dakota retirement taxes at a glance (2026)
| State income tax | No state income taxSouth Dakota has no individual income tax. |
|---|---|
| Social Security | Not taxedSocial Security is not taxed because there is no state income tax. |
| Pensions | Not taxedPensions are not taxed because there is no state income tax. |
| 401(k) and IRA withdrawals | Not taxedIRA and 401(k) withdrawals are not taxed. |
| Government pensions | Not taxedGovernment pensions are not taxed. |
| Military retirement pay | Not taxedMilitary retirement pay is not taxed. |
| Estate tax | No |
| Inheritance tax | NoSouth Dakota repealed its inheritance tax effective July 1, 2001. |
| Property tax help for seniors | The Assessment Freeze for the Elderly and Disabled holds a qualifying home's taxable value; other property tax reduction programs exist for elderly and disabled owners with income limits. |
| Sales tax | The state relies mainly on sales tax, which applies to most goods and many services. |
How to lower your retirement taxes in South Dakota
- Mix your income sources. Roth IRA withdrawals are tax-free at the federal level and generally in South Dakota too, so a Roth conversion before retirement can cut state tax later. Try the Roth conversion calculator.
- Watch federal Medicare costs. Large IRA withdrawals can raise your Medicare premiums. Check the 2026 IRMAA brackets.
- Think about your heirs. See what your IRA will really cost your family with the Family Tax Rate calculator.
- Comparing states? These have no state income tax: Alaska, Florida, Nevada, New Hampshire, Tennessee, Texas, Washington, Wyoming.
Frequently asked questions
Does South Dakota tax retirement income?
No: South Dakota has no income tax, so it does not tax any retirement income.
Does South Dakota tax Social Security?
Social Security is not taxed because there is no state income tax.
Does South Dakota tax pensions?
Pensions are not taxed because there is no state income tax.
Does South Dakota tax 401(k) and IRA withdrawals?
IRA and 401(k) withdrawals are not taxed.
Does South Dakota tax military retirement pay?
Military retirement pay is not taxed.
Does South Dakota have an estate or inheritance tax?
South Dakota repealed its inheritance tax effective July 1, 2001.
Sources (last verified 2026)
- State Individual Income Tax Rates and Brackets, 2026 — Tax Foundation (2026)
- Property Tax — South Dakota Department of Revenue (2026)
- South Dakota retirement taxes — Taxstra (2026)
Educational content only, not tax, legal or investment advice. Plans and tax laws change; confirm details with your employer's plan documents or your state revenue department. Smart Financial Lifestyle is not affiliated with any employer named on this site.