Located in a fertile agricultural area to the east of the Columbia River, wheat is Walla Walla County's main agricultural staple. Other crops grown here include?barley, corn, potatoes, asparagus, peas and the county's very own?Walla Walla Sweet Onion. Walla Walla is also home to one of the nation's largest privately owned apple orchards,?Broetje Orchards, as well as some 2,800 acres of grapes across over 120 wineries in the area. There was a combined around $52 million of land and rural real estate for sale in Washington's Walla Walla County recently on Land.com. The total acreage of all Walla Walla County land for sale was 5,000 acres. Walla Walla County ranks 23rd out of 39 counties in the Evergreen State for the combined amount of land currently advertised for sale. There were two properties listed as sold in Walla Walla County through the Land Network Comparable Sales Program. This represented a total value of $3,400,000. Walla Walla featured the most land for sale. Government and state-level services are the main economic drivers in Walla Walla County. Walla Walla County is Washington's 26th biggest county (1,298 square miles). It's located in the Eastern Washington region of Washington.