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.
 Once found principally in large cities, violent street gangs now affect public safety, community image, and quality of life in communities of all sizes in urban, suburban, and rural areas.No region of the United States is untouched by gangs.ang names were usually taken by the area that the gang reside in, which could be the street number or street name. Also, many gangs used their own ethnic ID to name their gang, for example; âThe downtown Paddies (Irish).â Some gang names came from a organization that the gang might be involve with.