Walla Walla County Flag

Walla Walla County

State:
Washington
County Seat:
Walla Walla

Walla Walla County's estimated 2026 population is 62,626 with a growth rate of 0.45% in the past year according to the most recent United States census data. Walla Walla County is the 21st largest county in Washington. The 2010 population was 58,915 and has seen a growth of 6.3% since that time.

62,626
Total Population
49
Population Density (mi²)
21
Population Rank (State)
279 0.45%
Annual Population Growth

Walla Walla County Population

Demographics

Economics and Income Statistics