Walla Walla County is a county in the inland Pacific Northwest, located within the state of Washington. It combines a small urban center and surrounding rural landscape. The county's largest city and administrative center is Walla Walla, which serves as a regional hub for education, health care and commerce. According to the 2010 census, the county recorded a population of 58,781.

Geography and landscape

The county sits in southeastern Washington and features rolling valleys, river corridors and the foothills of nearby uplands. Soils and climate support mixed agriculture: broad wheat fields, orchards, and increasingly extensive vineyards. Rivers and streams cut the terrain and create corridors for transportation and settlement.

History and name

Settlements in the area grew during the 19th century as Euro-American migrants arrived and towns were established. The county takes its name from the Walla Walla people, a Native American tribe indigenous to the region. Over time the area incorporated farming communities, trading posts and mission sites that shaped its early development.

Economy, culture and notable products

Agriculture remains central to the local economy. Walla Walla County is widely known for the Walla Walla sweet onion and, more recently, for a thriving wine industry centered on varietal vineyards and tasting rooms. Education and cultural institutions — including a private liberal-arts college and local festivals — add to the county’s profile and attract visitors for culinary and wine tourism.

Government and communities

The county government administers regional services from its seat in the county seat. Municipalities and smaller towns within the county include the city of Walla Walla and several smaller communities that provide local services to residents. Transportation is provided by regional highways, local roads and a regional airport serving the area.

Distinctive facts

  • The county blends historic downtown districts, agricultural landscapes and expanding wine country.
  • Local heritage includes Native American history and 19th‑century missions and forts.
  • Visitors come for food, wine, outdoor recreation and small‑town cultural events.