In the s, riverboat casinos were legalized in Louisiana and Illinois in addition to other states.casino poker style table JOKES CASINO Gambling is legally restricted in the United States, but its availability and participation is increasing. In , gambling activities generated gross revenues (the difference between the total amounts wagered minus the funds or "winnings" returned to the players) of $ billion in the United States. Gambling Statistics: Gambling Stats From Around the World. One surprising finding that goes against most gambling stereotypes is that 57% of online gamblers in the United States are female, though this includes social casino gambling that may not be for real money. In the Unites States alone, the successive events including: lotteries became legalized- human intervention- the They are publishing important data and Statisticsgaming reports as well as various statistics including online Gambling Statistics, Casino Statistics,, andHorse Racing Statistics.