Otis Orchards-East Farms CDP is located at (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.