Walla Walla County's estimated 2026 population is 62,613 with a growth rate of 0.4% 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 6.28% since that time.
Data after 2023 is projected based on recent change
Overall: 38.5 years
Female: 39.6 years
Male: 37.8 years
There are 49,374 adults, (12,409 of whom are seniors) in Walla Walla County.
Female: 30,615 (49.3%)
Male: 31,546 (50.7%)
The racial composition of Walla Walla County includes 72.47% White, 8.49% other race, and smaller percentages for Asian, Black or African American, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 45,047 | 72.47% |
| Two or more races | 8,747 | 14.07% |
| Other race | 5,279 | 8.49% |
| Asian | 1,151 | 1.85% |
| Black or African American | 1,032 | 1.66% |
| Native American | 756 | 1.22% |
| Native Hawaiian or Pacific Islander | 149 | 0.24% |
Walla Walla County's average per capita income is $50,479. Household income levels show a median of $74,202. The poverty rate stands at 12.06%.
Name | Median | Mean |
|---|---|---|
| Married Families | $107,144 | - |
| Families | $96,998 | $121,547 |
| Households | $74,202 | $98,236 |
| Non Families | $41,515 | $55,247 |
Average Income
Median Household Income
Poverty Rate