Otis Orchards-East Farms is a census-designated place (CDP) in Spokane County, Washington, United States, near the county's border with Idaho. The population was 6,318 at the 2000 census. The CDP includes the rural communities of Otis Orchards and East Farms. Otis Orchards-East Farms is north of the Spokane River from Liberty Lake, Washington and west of Rathdrum, Idaho and Stateline, Idaho. Part of Otis Orchards was recently incorporated into the new city of Spokane Valley. Otis Orchards is in the eastern part of the Spokane River valley, and is in the Spokane, Washington metro area.