Players can either be 18 or 21, depending on where they are located. What is the minimum age requirement to gamble across the US? Yes! However, each state can place their own restrictions. Is the gaming industry governed by federal law? However, because most casinos offer alcohol, you will need to be 21 years to enter them. In California, you have to be at least 18 years old to gamble. What is the legal gambling age in California? In Las Vegas, you have to be at least 21 years old to gamble. What is the legal gambling age in Las Vegas? Legal Gambling: Horse racing and Auto racing Illegal since 1948 Exceptions: Poker at home, horse racing Illegal Gambling: Online Casinos, Live Betting Online offshore casinos are not restricted Legal Gambling: Sports Betting, Lotteries Let’s take a look at some of the countries and their minimum ages to gamble. Other Countries: Minimum Age Required To Gamble Mostly, tribal casinos allow people at the age of 18 to play they include California, Florida (Tribal casinos: bingo and poker), Idaho, Michigan, Minnesota, Montana, New York, Oklahoma, Rhode Island, Washington, Wisconsin (2 tribal casinos only), and Wyoming. If you are wondering, one of the main reasons why casinos set an age limit of 21 is whether they serve alcohol or not. However, if you are on a cruise and are 18 years or older, you can bet when the ship heads away from the coast.