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 6,299 at the 2020 census. The CDP includes the unincorporated communities of Otis Orchards and East Farms. 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.