South Dakota Income Tax Calculator (2026 Filing Season)
South Dakota has NO state income tax — you owe $0 in state income tax on wages.
No state income tax — and no corporate income tax either.
Enter taxable income — this state has no standard deduction.
South Dakota has no state income tax — your estimated state income tax is $0 at any income level.
We only store your state and filing status — never your income.
What South Dakota residents still file
- Federal income tax still applies — no state escapes IRS Form 1040.
- If you earned income in another state (remote work, relocation mid-year), you may owe a non-resident return there.
- South Dakota makes up revenue elsewhere — check property and sales taxes before assuming you're saving the full difference.
File your SD return
No state return needed in South Dakota — these handle your federal filing.
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Our complete South Dakota tax guide covers sales tax, property tax, deadlines, and key deductions.
Educational estimate only — excludes credits, itemized deductions, and local income taxes except where noted. 2025 tax-year data, verified 2026-06. Not tax advice; confirm with the South Dakota revenue department or a tax professional before filing.