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 almost $58 million of land and rural real estate for sale in Walla Walla County recently on Land.com. The total acreage of all Walla Walla County farms and ranches for sale was almost 9,000 acres. Walla Walla County ranks 22nd based on the combined acreage of land for sale of all the counties in Washington. Of all farms, ranches, and rural real estate for sale in Walla Walla County, 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 the 26th biggest county (1,298 square miles) in Washington. It's located in the Eastern Washington region of Washington.