Montana Gambling Age: 18 for all forms, however, most poker tables and video lottery establishments have a minimum age of 21.Estimated Gambling Revenue: $130 million.Estimated Tax Revenue from Gambling: $41 million.Year Montana Regulated Gambling: Bingo (1973), Poker (1973), Sports Pools (1973), Video Keno (1976), Video Lottery (1985), Lottery (1986), Tribal Casinos (1994), Lottery Fantasy Pools (2008).
