4.75% state lottery tax

Oklahoma Powerball Tax Calculator

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Oklahoma applies a 4.75% state lottery tax. Combined with the 24% federal withholding and the top-bracket federal adjustment, the effective tax on a large jackpot lands around 38–42%.

Note: 4.75% top rate

Oklahoma after-tax take-home by jackpot tier

24% federal withholding + top-bracket adjustment + state tax. Cash lump sum estimated at 60% of advertised jackpot.

AdvertisedCash take-homeCash effectiveAnnuity take-home
$100M$35.0M41.61%$58.3M
$300M$104.9M41.7%$174.8M
$500M$174.8M41.72%$291.3M
$700M$244.7M41.73%$407.8M
$1B$349.6M41.74%$582.6M
$1.5B$524.3M41.74%$873.8M
$2B$699.1M41.74%$1.2B

Oklahoma vs neighboring states ($1B cash)

StateRateCash take-home
Oklahoma (OK)4.75%$349.6M
Texas (TX)0%$378.1M
Kansas (KS)5.2%$346.9M
Arkansas (AR)4.4%$351.7M

Frequently asked questions

Does Oklahoma tax Powerball winnings?

Oklahoma taxes Powerball winnings at 4.75%. Note: 4.75% top rate.

How much does a $1 billion Powerball winner take home in Oklahoma?

On a $1 billion advertised jackpot taken as cash (gross $600,000,000), a Oklahoma winner keeps approximately $349,583,278 after taxes — an effective rate of about 41.74%.

Can I avoid Oklahoma lottery tax by moving states before claiming?

No. State lottery tax is determined by the state where the ticket was sold, not the winner's residence. A ticket bought in Oklahoma is taxed at Oklahoma's 4.75% rate; the winner's home state may credit or assess additional tax at filing.