A casino is a building in which people gamble and play games of chance. It is also an establishment that offers food and drink. There are many types of casinos, including land-based, online and mobile. Most states have legalized gambling, and some have a large number of casinos. Some are famous, such as Nevada and Atlantic City. Others are smaller, such as the Grand Z Casino in Black Hawk, Colorado.

Casinos have a variety of security measures to protect their patrons and assets. These include physical security forces and a specialized surveillance department. The latter monitors closed circuit television and responds to calls for assistance or reports of suspicious or definite criminal activity. In addition, many casinos have a system of electronic betting chips that communicate with the casino’s surveillance systems to record and monitor betting patterns.

There is a more subtle aspect to casino security as well. Dealers are trained to watch for blatant cheating, such as palming or marking cards, and pit bosses keep a close eye on table games to detect any suspicious patterns of betting. Many casinos have also installed technology such as “chip tracking” on their tables, which electronically records the exact amount of money wagered minute-by-minute.

The typical casino visitor is a middle-class, female, forty-six-year-old who lives in a household with above-average income. This demographic accounted for 23% of all casino visitors in 2005, according to the Roper Reports GfK NOP and U.S. Gaming Panel.