South Dakota State Tax Forms & Schedules for 2026
The tax forms on this page can be essential for your South Dakota state tax return. Each form automatically calculates the relevant deductions and tax amounts based on the 2026 South Dakota State tax tables.
Quick Access Tools
We are currently updating the tax forms for South Dakota to reflect the 2026 tax year. If you were looking for a specific tax form for South Dakota, please contact us and we will prioritize this.
Tip: Use the South Dakota Tax Calculator to fine-tune your refundable and non-refundable tax credits. Complete, calculate, print, and save your tax calculation for later use.
Frequently Asked Questions
Quick answers for South Dakota filers: no state income tax applies, but federal taxes, Medicare, and FICA still affect your paycheck.
Do 529 plan contributions reduce South Dakota tax?
There’s no South Dakota income tax; 529 growth is tax-advantaged federally and in many states, but no state income tax deduction applies here.
How do capital gains affect my paycheck in South Dakota?
Capital gains are taxed federally (not by South Dakota). They don’t impact W-2 payroll withholding unless you adjust your W-4 for expected tax.
Can I estimate employer payroll filings?
Use Form 941 (quarterly) or Form 944 (annual). FUTA: Form 940.
Where do I report foreign earned income exclusions?
Use Form 673/FEIE on your federal return; South Dakota has no income tax return.
Do rental properties change my payroll tax?
Not directly. Rental income/loss is reported on Schedule E for federal tax; South Dakota has no income tax return.
Important Notes
All calculations are estimates for guidance only. Always review your return and consider professional advice when submitting official filings.