Walla Walla County is located in the southeastern corner of Washington State. It is bordered by Columbia, Garfield, and Asotin Counties to the north, Umatilla County, Oregon to the south, Franklin County to the west, and the state of Idaho to the east. The county seat is Walla Walla.

Walla Walla County is governed by a three-member Board of County Commissioners. The commissioners are elected to four-year terms. The county is divided into five commissioner districts, each of which is represented by one commissioner. The county is also served by a Prosecuting Attorney, Sheriff, Assessor, Auditor, Treasurer, and Clerk.

The county is home to several state parks, including Fort Walla Walla, Whitman Mission, and Touchet Valley. Walla Walla County is also home to several wineries and vineyards, as well as the Walla Walla Valley Wine Alliance. The county is served by the Walla Walla Valley School District, which includes seven elementary schools, two middle schools, and two high schools.

For the most up-to-date and in-depth information, please check the public records links below.