Walla Walla County, Washington

Walla Walla County
County
Postcard featuring the Walla Walla Court House in 1906
Seal
Location within the U.S. state of Washington
Washington's location within the U.S.
Coordinates: 46°14′N 118°29′W / 46.23°N 118.48°W / 46.23; -118.48
Country	United States
State	Washington
Founded	April 25, 1854
Named for	Walla Walla people
Seat	Walla Walla
Largest city	Walla Walla
Area
• Total	1,299 sq mi (3,360 km2)
• Land	1,270 sq mi (3,300 km2)
• Water	29 sq mi (80 km2)  2.2%
Population  (2020)
• Total	62,584
• Estimate  (2022)	61,890
• Density	46/sq mi (17.8/km2)
Time zone	UTC−8 (Pacific)
• Summer (DST)	UTC−7 (PDT)
Congressional district	5th
Website	www.co.walla-walla.wa.us

Walla Walla County (/ˌwɑːlə ˈwɑːlə/ WAH-lə WAH-lə)^[1] is a county located in the U.S. state of Washington. As of the 2020 census, its population was 62,584.^[2] The county seat and largest city is Walla Walla.^[3] The county was formed on April 25, 1854^[4] and is named after the Walla Walla tribe of Native Americans.

Walla Walla County is included in the Walla Walla, WA Metropolitan Statistical Area. As of 2020, the Walla Walla MSA is the second smallest metropolitan area in the United States, after the Carson City, Nevada MSA.