South Dakota Sports Betting Tax Calculator
South Dakota has no state income tax, which means sports betting winnings are only subject to federal taxes. This makes South Dakota one of the nine most tax-friendly states for gamblers. Sports betting is legal (retail only) in South Dakota through operators like Deadwood casinos.
Calculate Your South Dakota Sports Betting Tax
2026 rules: 90% loss deduction cap applies (OBBBA)
Your salary, wages, and other non-gambling income
South Dakota has no state income tax on gambling winnings
Losses can only be deducted if you itemize deductions
You cannot deduct gambling losses with the standard deduction. Switch to itemized to deduct losses.
Tax Breakdown
W-2G Form: Likely Required
Your total winnings of $10,000 exceed the $2,000 W-2G threshold for 2026. Individual wins that also meet the 300:1 odds requirement may trigger a W-2G form. Use our W-2G Checker for precise results.
Federal Withholding
$2,400 (24%) would be withheld at the time of payout. You may be due a refund of $1,200.
South Dakota Gambling Tax Key Facts
- ✓State income tax: 0% (no state income tax)
- ✓Sports betting: legal (retail only)
- ✓Available sportsbooks: Deadwood casinos
- ✓Does NOT allow gambling loss deductions at the state level
- ✓No state income tax
How Sports Betting Taxes Work in South Dakota
South Dakota does not levy a state income tax, so gambling winnings are not taxed at the state level. You will still owe federal income tax on all gambling winnings at your marginal rate (10-37%), and the IRS withholds 24% on winnings over $5,000.
Under the 2026 OBBBA (One Big Beautiful Bill Act), the federal gambling loss deduction is capped at 90%. Even though South Dakota has no state tax, this federal cap still affects your federal tax liability.
South Dakota Tax Example
A single filer in South Dakota earning $60,000 with $10,000 in sports betting winnings and no losses
Licensed Sportsbooks in South Dakota
You must be physically located within South Dakota to place bets on these platforms.
How South Dakota Compares to Neighboring States
Recent South Dakota Gambling Tax Changes
No state income tax. Sports betting available at Deadwood casinos only.
South Dakota Sports Betting Tax FAQ
How much tax do I pay on sports betting winnings in South Dakota?
South Dakota has no state income tax, so you only pay federal taxes on gambling winnings. Federal tax ranges from 10-37% depending on your total income. The IRS withholds 24% on winnings over $5,000.
Is sports betting legal in South Dakota?
Yes, sports betting is legal (retail only) in South Dakota. Licensed operators include Deadwood casinos. You must be physically located within South Dakota borders to place bets.
Can I deduct gambling losses in South Dakota?
South Dakota has no state income tax, so state-level loss deductions are not applicable. You can deduct losses on your federal return if you itemize, subject to the 2026 OBBBA 90% cap.
South Dakota Tax Authority
For official tax guidance specific to South Dakota, contact the state tax authority:
https://dor.sd.gov/↗Calculate Your South Dakota Sports Betting Taxes
Use our free calculator above to see exactly what you owe in South Dakota.
Full Tax Calculator