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Gambling Laws in Missouri

How gambling is charged in Missouri, whether it is a misdemeanor or felony, and the maximum penalties, from the state criminal code.

Short answer: Legal gambling in Missouri is set by the state constitution: a state lottery (art. III, § 39(b)); on-track pari-mutuel betting on horse racing if authorized by law (art. III, § 39(c)); Mo. Const. art. III, §§ 39(b), 39(c), 39(e), 39(g); RSMo §§ 572.020, 572.030; Missouri Gaming Commission PSA (Apr. 23, 2025)

GamblingLegal gambling in Missouri is set by the state constitution: a state lottery (art. III, § 39(b)); on-track pari-mutuel betting on horse racing if authorized by law (art. III, § 39(c)); casino games on excursion gambling boats and floating facilities on the Mississippi and Missouri Rivers only (art. III, § 39(e)); and, since voter approval in 2024, sports wagering by licensed operators online to people physically in Missouri, at the riverboat casinos, and at approved locations in pro-sports districts, for people 21 and older, starting no later than December 1, 2025 (art. III, § 39(g)). The Missouri Gaming Commission states 'Online casinos are illegal in Missouri.' Gambling outside these exceptions is a class C misdemeanor (up to 15 days), a class B misdemeanor if done with a child under 17, and a class A misdemeanor for a professional player (§ 572.020); promoting gambling in the first degree (e.g., bookmaking over $100 a day or operating a slot machine) is a class E felony (§ 572.030).
Gambling crime: https://revisor.mo.gov/main/OneSection.aspx?section=572.020 ; promoting: https://revisor.mo.gov/main/OneSection.aspx?section=572.030 ; MGC online-casino alert: https://www.mgc.dps.mo.gov/CommissionNews/CommNews/2025_PSA%20Fraudulent%20Online%20Casinos.pdf

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FAQ

Is gambling legal in Missouri?
Legal gambling in Missouri is set by the state constitution: a state lottery (art. III, § 39(b)); on-track pari-mutuel betting on horse racing if authorized by law (art. III, § 39(c)); casino games on excursion gambling boats and floating facilities on the Mississippi and Missouri Rivers only (art. III, § 39(e)); and, since voter approval in 2024, sports wagering by licensed operators online to people physically in Missouri, at the riverboat casinos, and at approved locations in pro-sports districts, for people 21 and older, starting no later than December 1, 2025 (art. III, § 39(g)). The Missouri Gaming Commission states 'Online casinos are illegal in Missouri.' Gambling outside these exceptions is a class C misdemeanor (up to 15 days), a class B misdemeanor if done with a child under 17, and a class A misdemeanor for a professional player (§ 572.020); promoting gambling in the first degree (e.g., bookmaking over $100 a day or operating a slot machine) is a class E felony (§ 572.030).
Can I get a court-appointed lawyer for gambling in Missouri?
Missouri's rule on court-appointed lawyers: The state public defender system represents eligible indigent persons. Eligibility is determined by the state public defender (or a person working under the defender) based on the person's 'ability to make bond, his income and the number of persons dependent on him for support.' A person claiming indigency files an affidavit with the court containing the information the public defender commission requires; either party may ask the court where the case is pending to decide whether the public defender may represent the defendant. Knowingly making a false affidavit to obtain services is a class A misdemeanor. The section does not set an application fee. RSMo § 600.086
How much does a lawyer for gambling cost in Missouri?
Lawyers set their own fees, and Missouri has rules on how they may charge. See hiring a criminal defense lawyer in Missouri for fee rules, how to check a lawyer's license and free help.
What happens after an arrest for gambling in Missouri?
How release before trial works in Missouri: 'That all persons shall be bailable by sufficient sureties, except for capital offenses, when the proof is evident or the presumption great' (Mo. Const. art. I, § 20). By statute, a person charged with a bailable offense may be released on personal recognizance unless the judge finds that release will not reasonably assure the person's appearance; the judge may then impose conditions such as supervised custody, travel or association limits, a bail bond or cash deposit, reporting, or house arrest with electronic monitoring (§ 544.455.1). The judge considers the nature of the offense, the weight of the evidence, family ties, employment, financial resources, character and mental condition, length of residence, criminal record, and record of court appearances (§ 544.455.2). Conditions are reviewed for a person still detained after 24 hours because the person cannot meet them. Mo. Const. art. I, § 20; RSMo § 544.455 What happens after an arrest.
Can a conviction for gambling be removed from my record in Missouri?
Each state sets its own rules for sealing or expunging records. See Missouri expungement and record sealing rules.

General legal information, not legal advice. Laws change and local rules can differ; check the linked official source or talk to a lawyer about your situation.