Tools · State Income Tax
South Dakota Income Tax Calculator (2026)
Estimate your South Dakota state income tax for 2026. Enter your taxable income and filing status to see that South Dakota levies no state income tax, broken out line by line.
South Dakota state income tax calculator
South Dakota has no state individual income tax. Your take-home reflects only federal tax and FICA.
State figures: South Dakota Department of Revenue.
Estimate for 2026 state income tax only, based on annual tax brackets — it excludes federal income tax, Social Security and Medicare, local taxes, and any credits. This is general information, not tax advice.
How South Dakota income tax is figured
South Dakota does not levy a state individual income tax, so this calculator returns $0 no matter your income. South Dakota has no state individual income tax. Your take-home reflects only federal tax and FICA.
This estimate covers state income tax only. It does not include federal income tax, Social Security and Medicare, or tax credits. It is an annual-bracket estimate, not your final return. This is general information, not tax advice.
Income tax calculators for other states
Same 2026 engine, each with its own state rules.