Gambling age in Missouri 🇺🇸

Missouri sets the minimum gambling age at 21 for most forms of wagering, including casino games and riverboat gambling. That applies whether you’re stepping onto a licensed gambling boat or placing a bet at a land-based facility. The state has held this line firmly, and operators take it seriously.

The Missouri Lottery is the one exception, where players must be at least 18 years old to purchase tickets. So the age threshold in Missouri depends on what you’re playing, not just where you are. Knowing the difference before you show up matters.

You must be 21 to gamble in Missouri

Walk into any of Missouri’s riverboat casinos and you’ll need to prove you’re at least 21 years old. That requirement comes directly from Missouri’s gambling statutes under Chapter 313, which governs excursion gambling boats and gaming facilities across the state. No exceptions, no workarounds.

Lottery tickets work differently, with the age dropping to 18 for Missouri Lottery games. If you’re between 18 and 20, that’s your only legal option for gambling within the state. For everything else, 21 is the hard floor, and anyone caught underage faces real consequences.

Is online gambling legal in Missouri?

Missouri’s online gambling picture is shifting. For years, online sports betting remained off the table despite multiple legislative attempts to legalize it. Voters approved Amendment 2 in November 2024, making Missouri one of the latest states to legalize retail and online sports wagering. The legal betting age in Missouri for sports wagering will be 21.

Online casino gaming and online poker remain illegal under state law. The Missouri Lottery does sell tickets online, which keeps digital lottery access available. Bingo is not commercially licensed in a meaningful online format here, and land-based bingo is restricted to charitable organizations under specific permits.

  • Online casinos: Illegal
  • Land-based casinos: Legal
  • Online sports betting: Legal (from 2025)
  • Land-based betting: Legal (from 2025)
  • Online bingo: Illegal
  • Land-based bingo: Legal (charitable only)
  • Online lotteries: Legal
  • Land-based lotteries: Legal
  • Prediction websites: Legal

Gambling laws and regulations in Missouri

Missouri’s gambling framework is built around riverboat casinos, a legacy structure established when the state first legalized gaming in 1993. The Missouri Gaming Commission oversees all licensed casino operations, enforcing everything from age verification to financial compliance. Boats no longer need to cruise, but the licensing structure remains rooted in that original model.

Amendment 2’s passage in 2024 added a new chapter, directing the Missouri Gaming Commission to regulate sports betting alongside its existing casino responsibilities. Charitable gaming, including bingo and raffles, falls under a separate framework administered by the Missouri Attorney General’s Office. Each category has its own rules, its own enforcement, and its own licensing path.

Gambling license in Missouri

Obtaining a casino license in Missouri is not a quick process. The Missouri Gaming Commission handles all gaming license requirements in Missouri, and applicants face thorough background checks, financial disclosures, and suitability reviews. Both the operating entity and key personnel must clear these checks before a license is granted.

Sports betting licensees will follow a similar path under the new framework, with existing casino operators expected to receive mobile betting skins tied to their facilities. License fees, tax rates at 10% of gross receipts, and ongoing compliance requirements all apply. The Commission publishes full licensing guidelines on its official licensing page.

Responsible gambling in Missouri

Missouri takes problem gambling seriously, and there are real resources available to anyone who needs them. The Missouri Council on Problem Gambling runs a 24-hour helpline at 1-888-966-7797, connecting callers with counselors, treatment referrals, and peer support. Reaching out costs nothing.

The National Council on Problem Gambling also serves Missouri residents through its national helpline at 1-800-522-4700, available 24/7 by call or text. You can also reach them by email at ncpg@ncpgambling.org. Self-exclusion programs through the Missouri Gaming Commission let players ban themselves from all licensed casinos statewide.

Verified on August 19, 2026.