Beverly Hills is an affluent city in Los Angeles County, California, United States, surrounded by the cities of Los Angeles and West Hollywood. Originally a Spanish ranch where lima beans were grown, Beverly Hills was incorporated in 1914 by a group of investors who had failed to find oil, but found water instead and eventually decided to develop it into a town. By 2013, its population had grown to 34,658. Sometimes referred to as "90210", one of its primary ZIP codes, it was home to many actors and celebrities throughout the 20th century. The city includes the Rodeo Drive shopping district and the Beverly Hills Oil Field.