Otis Orchards-East Farms is a census-designated place in Spokane County, Washington, United States, near the county's border with Idaho. The population was 6,220 at the 2010 census. The CDP includes the rural communities of Otis Orchards, East Farms, and Newman Lake. Otis Orchards contains the bulk of the businesses of the community.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.