| Name | Walla Walla County |
| State | Washington |
| FIPS Code | 53071 |
| County Seat | Walla Walla |
| Timezone | Pacific Daylight Time (PDT) |
| Population (2024) | 61,789 |
| Population Growth Rate(2020-2024) | -1.29% |
| Majority Ethnicity | White 72.51% |
| Public School Majority Ethnicity | White 50% |
| Partisan Voting Index | Republican:+4 |
| Unemployment Rate (May 2026) | 5.1% |
| Sales Tax Rate (2025) | 8.1% |
| Area Code(s) | 509 |
| Race/Ethnicity | Percentage of Population (2023) |
|---|---|
| White | 72.51% |
| African American | 1.7% |
| Hispanic | 22.53% |
| Asian | 1.85% |
| Native American | 1.2% |
| Hawaiin/Pacific Islander | 0.21% |
| Race/Ethnicity | Percentage of Public School Students (2023) |
|---|---|
| White | 50.5% |
| African American | 1.16% |
| Hispanic | 43.07% |
| Asian | 1.35% |
| Native American | 0.43% |
| Hawaiin/Pacific Islander | 0.13% |