Gambling in Michigan: Online Casinos, Betting & Laws

Michigan is one of America’s biggest and most exciting online gambling markets — and home to the largest online casino jackpot in US history. It passed the Lawful Internet Gaming Act in 2019, launched online casino and betting in January 2021, and now ranks among the top three iGaming states. Detroit’s three commercial casinos and more than 20 tribal casinos round it out. 21+ and in-state.

RegulatorMGCB

Legal age21+

Online sinceJan 2021

Detroit casinos3

US iGaming rankTop 3

WinningsTaxable

How Michigan caught up fast

Michigan passed the Lawful Internet Gaming Act in December 2019 and launched online casino, poker and sports betting in January 2021, regulated by the Michigan Gaming Control Board. Online casino revenue is taxed on a graduated 20–28% scale and sports betting at 8.4%. In just a few years it has become one of the three largest iGaming states in the country.

Where to play in person

Detroit has three commercial casinos — MGM Grand Detroit, MotorCity and Hollywood Casino at Greektown — alongside more than 20 tribal casinos across the state, such as FireKeepers and Soaring Eagle.

Michigan online casinos worth playing at

The MGCB-licensed online casinos we rate and what each does best.

BetRiversBest for loyalty

A transparent Michigan casino and sportsbook.

betrivers.comLicensed: MI MGCB

Hard Rock BetBest for jackpots

Large progressive pools on the Hard Rock app.

hardrock.betLicensed: MI MGCB

Fanatics CasinoBest for rewards

A rewards-led operator live across Michigan.

fanatics.comLicensed: MI MGCB

Notable wins

Michigan holds the US record: a DraftKings player turned a 20-cent spin into $22.4 million on Huff N’ Even More Puff in November 2025 — the largest online casino jackpot in American history. Earlier in 2025, another Michigan player won $9.28 million on a similar 20-cent stake.

A word on tax

Winnings are taxable — 24% federal withholding on wins over $5,000, a W-2G on larger wins, plus Michigan state tax.

Frequently asked questions

Is online gambling legal in Michigan?

Yes. Michigan passed the Lawful Internet Gaming Act in 2019 and launched online casino and sports betting in January 2021, regulated by the Michigan Gaming Control Board. You must be 21+ and in-state.

Do I pay tax on winnings in Michigan?

Yes — 24% federal withholding on wins over $5,000, a W-2G on larger wins, plus Michigan state tax. Keep records of your play.

What is the biggest online casino jackpot ever?

A Michigan DraftKings player turned a 20-cent spin into $22.4 million on Huff N’ Even More Puff in November 2025 — the largest online casino jackpot in US history.

How big is Michigan’s market?

Michigan is one of the top three US online casino markets, alongside Pennsylvania and New Jersey.

What is the minimum age?

21. Michigan requires you to be 21 or over for online casino play and sports betting.

21+. Gambling should be entertainment, not income. If you or someone you know needs help, call 1-800-GAMBLER for free, confidential support. This page is general information, not legal or financial advice.