Washington County is in Southwestern Idaho. Of the 44 counties in the Gem State, 942,977-acre Washington County ranks 20th by size. Idaho's Washington County includes almost 20,000 acres of ranches for sale based on recent Land Network data. The combined market value of farms and ranches for sale here was about $45 million. The average price of ranches for sale in Washington County was $6 million. Common game species to be found on ranches for sale in Washington County include moose, mule deer, elk, whitetail deer, bear, ducks, geese, turkey and grouse. For anglers the rivers and lakes on Washington County ranches for sale are stocked with fish including bass, trout, walleye and catfish. Browse all Idaho ranches for sale on the Land Network to find the ranch that's right for your business or commercial needs, from the sprawling legacy ranch to unbelievable residential ranch for your second home, investment property or retirement nest egg.