Cashion is a recently-annexed neighborhood in Avondale, Arizona, in the United States. As of 2000, it had a population of 2,965. It is bounded in the north by Buckeye Rd., in the south by Durango St., in the west by 113th Ave., and in the east by 107th Ave. Littleton Elementary home of the Firebirds serves this area. R.I.P Underdown Jr. High. Home of the Wildcats.