With fewer states allowing real money casino sites than online sportsbooks, the main questions from online casino players are when more states will legalize and offer licenses for more online casino operations and how many states will start the process. Which States Will be Next to Legalize Online Casinos? The following states have real money online casinos available, with information on the number of casinos per state, what's next in the plan to release more operators and the maximum that will be allowed.