"TAXACT is simple to use, checks for any errors and is free to efile."
— Wayne Snedeker ★★★★★
South Dakota Has No State Income Tax — File Your Simple Return Free*
South Dakota has no state income tax, so you only need to file federal. With TaxAct Free Edition, that's $0 — simple, accurate, done.
Start Filing Your TaxesRead More on the TaxAct Blog
Get the full breakdown of your state's tax situation, what it means for filing, and how to file your federal return for free.
Does South Dakota Have a State Income Tax?
No income tax and retirement-friendly. Read the full guide to South Dakota taxes.
States With No Income Tax
The complete guide to all 9 states that don't charge state income tax and what it means for your filing.
How to File Your Federal Tax Return for Free
Find out if you qualify for free federal filing and what's included in TaxAct Free Edition.
Frequently Asked Questions
You can file for free yourself with TaxAct's Free Edition if you meet the qualifications below, including filing using IRS Form 1040 only without having to attach any forms or schedules. Only certain taxpayers are eligible.
Situations covered (assuming no added tax complexity):
W-2 income, Unemployment income, Retirement income
Earned Income Tax Credit, Child Tax Credit
Dependents
Current Students
Student loan interest
Situations not covered:
Investment income: Stock, interest, dividends, crypto, or capital gains/losses
Sale of home, real estate taxes, mortgage interest, or rental property income
Royalty, trusts, and foreign accounts
Business and farm income
Itemized deductions
Adoption credits and child and dependent care
Health Savings Account (HSA)
Freelance, contractor, side hustle, or self-employed income and expenses
About 40% of users qualify. If you don’t qualify for a basic federal tax return, we have other paid tax filing options to help you easily file taxes online with TaxAct.
*Offer Details & Disclosures
Start free, file free: The TaxAct Online Free Edition makes free federal filing available for those who qualify based on income and deductions. See if you qualify for free federal filing and what is included in this year's Free Edition. For all other online products, you can start free and pay when you file. This means you will not be charged if you decide to stop using any product prior to printing or e-filing your return.
Maximum Refund Guarantee: We guarantee you'll receive your maximum refund when you use TaxAct's individual 1040 products. If, using the same information, a registered user receives a larger refund or owes a smaller tax due amount using another online tax preparation product, we will refund the applicable federal and/or state software purchase price paid. Subject to additional terms, conditions, and eligibility requirements.
$100k Accuracy Guarantee: We guarantee our software is 100% accurate and will calculate your maximum refund under applicable law. If a software error results in a smaller refund or higher tax liability than using the same data with another tax preparation product, we will refund the software fees you paid; pay the difference as determined by the IRS; and cover any resulting penalties, interest, and reasonably documented legal and audit costs, up to $100,000 per customer. Applies only to individual, self-prepared 1040 products.
Edition pricing: Actual prices are determined at the time of payment, print, or e-file and are subject to change without notice. Add sales tax for applicable orders. Offers may end at any time and promotional offers may not be combined.
