401k contribution calculator - 2026
Enter your salary, contribution rate, and employer match to see your projected retirement savings
| Category | Annual | Total at retirement |
|---|---|---|
| Your contributions | -- | -- |
| Employer match | -- | -- |
| Investment growth | -- | -- |
| Total projected balance | -- | -- |
Projections assume constant contribution rates and investment returns. Actual returns vary and are not guaranteed. This calculator is for educational purposes only. Consult a financial advisor for personalized retirement planning advice.
South Dakota 401k and retirement tax guide - 2026
How South Dakota taxes 401k contributions and retirement distributions
South Dakota retirement tax overview
South Dakota has no state income tax making it fully tax-free for 401k distributions and other retirement income. South Dakota's low cost of living extends retirement savings significantly.
South Dakota retirees pay only federal taxes on 401k distributions. Combined with South Dakota's low cost of living, this makes retirement savings stretch significantly further than in higher-tax, higher-cost states.
Federal 401k rules that apply in South Dakota
Regardless of South Dakota state tax treatment, federal rules govern 401k contribution limits. In 2026 the 401k contribution limit is $23,500 per year ($31,000 if age 50 or older with catch-up contributions). Traditional 401k contributions reduce your federal taxable income dollar-for-dollar in the year contributed. You pay ordinary income tax when you withdraw in retirement. Withdrawals before age 59.5 are subject to a 10% federal penalty plus income taxes unless an exception applies.
This guide is for general informational purposes. Tax laws change frequently. Consult a qualified financial advisor or tax professional for advice specific to your South Dakota retirement situation.