The value of all farms and ranches for sale in Oklahoma's Washita County recently was nearly $6 million, representing a total of 310 acres of land for sale in Washita County. Washita County ranks 65th out of 77 counties in Oklahoma for the total number of acres of land currently advertised for sale. Among cities in Washita County with farms, ranches, and rural real estate for sale, Sentinel featured the most land for sale. Mining and mineral extraction-related services are the main economic drivers in this part of Oklahoma. Washita County is the 19th biggest county (1,008 square miles) in Oklahoma. It's located in the Great Plains Country Oklahoma region of Oklahoma.