Iowa Sports Betting Tax Calculator
Iowa taxes gambling winnings as ordinary income at 3.80% flat rate. Sports betting is legal (online and retail) in Iowa with operators including FanDuel, DraftKings, BetMGM. Iowa is transitioning to a flat 3.8% tax rate. Sports betting legal since 2019.
Calculate Your Iowa Sports Betting Tax
2026 rules: 90% loss deduction cap applies (OBBBA)
Your salary, wages, and other non-gambling income
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.
Iowa Gambling Tax Key Facts
- ✓State income tax: 3.80% flat rate
- ✓Sports betting: legal (online and retail)
- ✓Available sportsbooks: FanDuel, DraftKings, BetMGM, Caesars, PointsBet
- ✓Gambling loss deductions ARE allowed (must itemize)
- ✓3.8% flat tax rate (reduced from graduated in 2026)
- ✓5% withholding on gambling winnings over $1,200
How Sports Betting Taxes Work in Iowa
Iowa taxes gambling winnings as ordinary income at a flat 3.80% rate. Your gambling winnings are added to all other income and taxed accordingly.
Iowa allows gambling loss deductions following federal rules. Under the 2026 OBBBA, losses are deductible at 90% (capped at the amount of winnings) when itemizing deductions.
Iowa Allows Gambling Loss Deductions
Iowa follows federal rules for gambling loss deductions. The 2026 OBBBA 90% cap applies when itemizing.
Iowa Tax Example
A single filer in Iowa earning $60,000 with $10,000 in sports betting winnings and no losses
Licensed Sportsbooks in Iowa
You must be physically located within Iowa to place bets on these platforms.
How Iowa Compares to Neighboring States
Recent Iowa Gambling Tax Changes
Iowa is transitioning to a flat 3.8% tax rate. Sports betting legal since 2019.
Iowa Sports Betting Tax FAQ
How much tax do I pay on sports betting winnings in Iowa?
Iowa taxes gambling winnings at 3.80% flat rate on top of federal tax (10-37%). Your total combined tax rate depends on your income level and filing status.
Is sports betting legal in Iowa?
Yes, sports betting is legal (online and retail) in Iowa. Licensed operators include FanDuel, DraftKings, BetMGM, Caesars, PointsBet. You must be physically located within Iowa borders to place bets.
Can I deduct gambling losses in Iowa?
Yes, Iowa allows gambling loss deductions following federal rules. You must itemize deductions, and losses are limited to the amount of your winnings. The 2026 OBBBA 90% cap applies.
Iowa Tax Authority
For official tax guidance specific to Iowa, contact the state tax authority:
https://tax.iowa.gov/↗Calculate Your Iowa Sports Betting Taxes
Use our free calculator above to see exactly what you owe in Iowa.
Full Tax Calculator