There are 8 zip codes in Walla Walla County, Washington. The most populated is 99362, located in Walla Walla. * 2024 populations estimated based on the latest ACS 5-year data.

CSV JSON
Zip Code
Population
City
9936243,028Walla Walla
9932410,076College Place
993234,219Burbank
993611,668Waitsburg
993481,590Prescott
993601,400Touchet
99329156Dixie
9936396Wallula

Zip Codes in Walla Walla County, Washington by Population (2024)