Walla Walla East is located at (46.058877, -118.305585)
According to the United States Census Bureau, the CDP has a total area of 1.7 square miles (4.4 km²), of which, 1.7 square miles (4.4 km²) of it is land and 0.04 square miles (0.1 km²) of it (1.18%) is water.