Davyon Demonte Valencia was last seen April 23 near East 126th and San Pedro streets, according to the L.A. County Sheriff's Department.
His family is concerned for his well-being. Authorities say Valencia might've been heading to the following destinations: the 12000 block of South Broadway and the 900 block of East El Segundo Boulevard.
He was wearing a black sweater and blue sweatpants. He is described as being 5 feet 5 inches tall, weighting 115 pounds with brown hair and eyes.
Anyone with information about his whereabouts is urged to contact detectives.