South Dakota Retirement Income Tax Calculator
Calculate taxes on retirement income in South Dakota. No state income tax! See after-tax Social Security, 401(k), pension, and IRA distributions.
How This Calculator Works
Calculation methodology and assumptions
Retirement income tax calculation for South Dakota. Social Security is taxable at the federal level if combined income exceeds $25,000 (single) or $32,000 (married) — up to 85% may be taxed. 401(k)/IRA distributions are fully taxable as ordinary income. South Dakota has no state income tax, making it one of the most tax-friendly states for retirees. Federal tax uses 2026 brackets with standard deduction plus additional $1,950 (single) or $1,550 (married) deduction for age 65+.
Key State Information
South Dakota retirement tax facts: No state income tax — all retirement income is state-tax-free! | Cost of living index 92.6 | Median home price $270,000 | Property tax 1.31% | No homestead exemption.
Frequently Asked Questions
Is retirement income taxed in South Dakota?
No — South Dakota has no state income tax, so Social Security, pensions, 401(k), and IRA withdrawals are all free from state tax. You'll still owe federal income tax on most retirement income.
Is South Dakota a good state to retire in for taxes?
South Dakota is one of the most tax-friendly states for retirees due to having no state income tax. Property tax (1.31%) and cost of living (index 92.6) should also be considered.
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