Is Online Gambling / Sports Betting Legal in Montana? (2026)
Partially — Online Gambling / Sports Betting is legal with restrictions in Montana as of 2026.
Law changed in 2020: Online sports betting launched in 2020. There have been no recent significant changes to the state's online gambling laws.
Quick Answer
Montana allows limited forms of sports betting through licensed tribal casinos and the state lottery but does not permit online sports betting statewide. Montana Code Annotated § 23-5-110 prohibits unauthorized online gambling. Some tribal compacts allow limited online betting within tribal lands.
- Age restriction: 18 years old for tribal casinos, 21 for other gambling
What the Law Says
Montana law prohibits unauthorized gambling, and online gambling is not permitted.
— Montana Code Annotated § 23-5-110
| Category | Details |
|---|---|
| Online Gambling Rules | Possession of online gambling software outside licensed tribal casinos is illegal. |
| Licensed Operators | Sale or operation of online gambling platforms requires tribal or state authorization. |
| Penalties | Violations can result in misdemeanor charges with fines and imprisonment. |
| Minimum Age | 18 years old for tribal casinos, 21 for other gambling |
| Pending Legislation | None known |
Online sports betting launched in 2020. There have been no recent significant changes to the state's online gambling laws.
Enforcement Reality
The Montana Lottery and the Department of Justice's Gambling Control Division regulate all legal gambling. Online sports betting is legal but has a state-run monopoly.
A common mistake is trying to use popular national sports betting apps. The only legal option for online sports betting in Montana is the state-run Sports Bet Montana app.
Local Exceptions
None identified. State law applies uniformly across Montana. Local ordinances may still vary — check with your city or county government for any additional rules.
Bottom Line
Online Gambling / Sports Betting is legal with restrictions in Montana. This activity is permitted, but specific conditions apply. Violating those conditions can result in fines or criminal charges. Read the rules carefully and consult an attorney if unsure.
Montana vs. the Rest of the US
Across the US, gambling online is fully legal in 10 states, restricted in 2, and illegal in 8. Montana falls in the RESTRICTED category.
View the full 50-state map →Sports Betting Laws Guide
This topic is closely related to sports betting and gambling laws.
Reviewed by cross-referencing the cited state statute against current legislative databases and regulatory publications.
Sources & Verification
This page was reviewed by Ethan Harper by comparing the legal status against the cited state statute. AllowedHere is an informational resource and does not provide legal advice. Consult a licensed attorney for guidance specific to your situation.
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