Legal Sports Betting Expands Across 39 States and Washington D.C. by May 2026

The landscape of sports betting in the United States reached a notable milestone by May 2026 when legal options became available in 39 states plus Washington D.C., while 30 of those jurisdictions plus the nation's capital also permitted online betting through licensed mobile apps. This setup left a smaller group of states limiting activity to retail or tribal venues only, and a few maintaining full prohibitions, according to data compiled from regulatory filings and industry trackers.

The Murphy v. NCAA Decision Sets the Stage

The 2018 Supreme Court ruling in Murphy v. NCAA overturned the federal ban on sports betting that had stood since 1992, and this decision shifted authority to individual states to determine their own rules. Since that time lawmakers across the country have moved at different speeds, with some embracing full markets that include online platforms while others have chosen more restricted models focused on physical locations or tribal partnerships. Observers note that this state-by-state approach created a patchwork system where residents in neighboring states sometimes face very different options for placing wagers.

Current Status as of May 2026

By May 2026 the total count stood at 39 states plus Washington D.C. where some form of legal sports betting operates, yet only 30 states plus D.C. extend access to online apps run by licensed operators. The remaining states either confine betting to retail sportsbooks or tribal casinos, or they continue to block all forms of legal wagering. Figures from state regulators show steady growth in the number of active accounts and handle volume in markets that opened online channels earlier, while newer entrants like Missouri work through their initial rollout phases.

State-by-State Breakdown

States with full online access include established markets such as New Jersey, Pennsylvania, and Colorado, where mobile apps have operated for several years and generate consistent revenue streams reported to state gaming commissions. Additional jurisdictions like New York, Illinois, and Michigan round out the list of mature online markets, each maintaining separate licensing requirements for operators and strict age verification protocols. In the Midwest and South, states such as Ohio, Tennessee, and Louisiana joined the online group after legislative sessions cleared the necessary frameworks, and their regulatory bodies now oversee daily fantasy sports crossover rules alongside traditional betting lines.

Retail and tribal-only states form another category, where physical locations at casinos or designated sportsbooks accept wagers but mobile apps remain unavailable. Examples include states like Texas and California, where tribal compacts govern much of the activity, and Florida, which continues to navigate court challenges over its compact structure. A handful of states including Utah and Idaho maintain complete prohibitions, reflecting ongoing legislative resistance that has not shifted despite the broader national trend toward legalization.

Recent Launches and Pending Expansions

Missouri completed its launch in December 2025 after voters approved a constitutional amendment earlier that year, and operators began accepting bets at both retail sites and through initial app rollouts shortly before the end of the calendar year. Wisconsin followed with legislative approval for online sports betting in April 2026, though the actual app launches remain pending final regulatory approvals and operator licensing rounds expected later in the summer. These additions pushed the total of states with legal betting past the previous year's count and brought new revenue projections into state budget discussions for the 2027 fiscal year.

Other states continue to monitor these developments while their own regulatory agencies review applications or wait for legislative sessions to address pending bills. Data from the American Gaming Association indicates that states introducing online channels typically see handle figures rise within the first six months after launch, although the pace varies depending on population size and competition from neighboring jurisdictions.

Regulatory Oversight and Compliance Trends

State gaming commissions maintain detailed reporting requirements that track everything from bet types to problem gambling resources, and these reports feed into annual reviews presented to lawmakers. Operators must comply with geolocation technology standards and responsible gaming tools such as deposit limits and self-exclusion lists, which appear in the terms of service for every licensed app. Researchers at universities including the University of Nevada, Las Vegas, have published studies examining how different regulatory models affect participation rates across state lines.

Conclusion

The expansion to 39 states plus Washington D.C. by May 2026 reflects the ongoing implementation of the framework established after the Murphy v. NCAA decision, with recent additions in Missouri and Wisconsin illustrating how the map continues to evolve. Full state-by-state details remain available through individual regulatory agency websites and industry summaries that compile licensing status and operational rules. This structure allows each jurisdiction to tailor its approach while contributing to a national picture of legalized sports betting that now covers most of the country.