From a total population of 30,643, Walla Walla has a median age of 36.1. The average age of males, in Walla Walla, is 34 while the average age of females is 38.5. When you compare this to median age of Washington, Walla Walla is 1.3 years younger.
The median income of individuals, in Walla Walla, is $20,962 while the average household income is $42,348. When comparing the median income of people living in Walla Walla to the rest of Washington, the average income in Walla Walla is $10,271 less.