Otis Orchards-East Farms is a census-designated place (CDP) in Spokane County, Washington, United States, near the county’s affix with Idaho. The population was 6,220 at the 2010 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. Part of Otis Orchards was recently incorporated into the new city of Spokane Valley. Otis Orchards is in the eastern ration of the Spokane River valley, and is in the Spokane, Washington metro area.

Otis Orchards-East Farms CDP is located at 47°42′17″N 117°4′48″W / 47.70472°N 117.08000°W / 47.70472; -117.08000 (47.704799, -117.079874).

According to the United States Census Bureau, the CDP has a total area of 8.1 square miles (21.1 km²), of which, 8.1 square miles (20.8 km²) of it is land and 0.1 square miles (0.3 km²) of it (1.23%) is water.

As of the census of 2000, there were 6,318 people, 2,110 households, and 1,742 families residing in the CDP. The population density was 784.8 people per square mile (303.0/km²). There were 2,187 housing units at an average density of 271.7/sq mi (104.9/km²). The racial makeup of the CDP was 95.11% White, 1.22% Native American, 1.16% Asian, 0.17% African American, 0.05% Pacific Islander, 0.51% from further races, and 1.79% from two or more races. Hispanic or Latino of any race were 1.95% of the population.