College Place is a city in Walla Walla County, Washington, United States next to Walla Walla, Washington. The population was 7,818 at the time of the 2000 census. College Place is the home of Walla Walla University, a Seventh-day Adventist college. Because of the primary Adventist population, most downtown businesses close on Saturday, reopening in most cases on Sunday. College Avenue is the main Street running North to South from Highway 12 to the Milton-Freewater Highway.