The city of Clarkston is located in the County of Asotin. It is located in the southernmost part of Washington state. It has a total area of about 5.4 sq. km. and located at an elevation of 808 ft. above sea level. Businesses with a strong presence in the area include, adoption agencies, advertising agencies, aircraft charter rental and leasing, continental restaurants, auto painting, auto renting, auto restoration, bed and breakfast restaurants, business consultants, carpet rug cleaing services, commercial printing, computer training, selling exercise equipments, freight forwarding, home inspection services, insurance, legal counselling, marinas, pet supplies and accessories, printing service, real estate inspection, sports medicine, telecommunication services, truck repairing and variety stores.