A casino is a place where people can gamble on games of chance. The most popular casino games are blackjack, roulette, baccarat and craps. Modern casinos add a wide variety of entertainment amenities to attract customers, including restaurants, shopping centers and musical shows. They also offer comps to their best players, like free hotel rooms, dinners and show tickets. In the United States, there are over 1,000 casinos. Most are located in Nevada and Atlantic City, with a few scattered around the country.
Although casinos have a built in advantage for the house (usually less than two percent), they make money from millions of bets placed by patrons each year. They earn extra money from slot machines by paying out a percentage of the total coins put into them, and from table games by taking a share of the money bet on the game. In addition, the large amount of currency handled within a casino makes it susceptible to cheating and theft by both patrons and staff. Security measures vary from casino to casino, but they often include an eye-in-the-sky system of cameras that can be monitored by security personnel.
The type of player who enjoys a casino the most is typically an older person with a higher income. According to surveys by Roper Reports GfK NOP and the U.S. Gaming Panel by TNS, the average casino gambler is a forty-six-year-old female. These patrons spend an average of three days in the casino and have a household income of $52,300.