Arroyo Grande is a city in San Luis Obispo County, California, United States. The population was 17,252 at the 2010 census. Arroyo Grande is a small coastal town with historic, suburban, and rural elements located at 35Â°7â²15â³N 120Â°35â²12â³W / 35.12083Â°N 120.58667Â°W / 35.12083; -120.58667 (35.120878, -120.586799).
In many cases, national street gangs originated in major cities such as Los Angeles, Chicago, Philadelphia, Miami and New York, and they later migrated to other American cities such as Atlanta, Cleveland, St. Louis, Dallas, Memphis, Nashville, New Orleans, Milwaukee, Orlando, Houston, and Detroit.he earliest American street gangs emerged at the end of the American Revolutionary War in the early 1780s. However, these early street gangs had questionable legitimacy, and more serious gangs did not form until the early 1800s.
The rise in gang violence since the 1980s caused lawmakers to seek a variety of methods to curb the formation and activities of these gangs. According to statistics from the National Youth Gang Center, more than 24,500 gangs, consisting of more than 770,000 members, exist in about 3,330 cities in the United States.