ZIP Code 99363 is located in Wallula Washington. 99363 is entirely within Walla Walla County. Regionally, 99363 is located in the Yakima-Richland-Kennewick Area.
| ZIP Code Name | Wallula |
| Primary County | Walla Walla County |
| ZIP Code Type | PO Box |
| Population (2022) | 96 |
| Area Code(s) | 509 |
| Current Time | PDT |
99363 can be classified socioeconomically as Lower Middle Class class compared to other ZIP Codes in Washington. The majority race/ethnicity residing in 99363 is White. The current unemployment level in 99363 is 5.1%.
| Population | 96 |
| Population Growth Rate | -86.02% |
| Population Density | 1,424 People per Square Mile |
| Median Household Income (2021) | $46,250 |
| Current Unemployment Rate (May 2026) | 5.1% |
| Sales Tax Rate (2025) | 8.1% |
| Majority Race/Ethnicty | White - 100.00% |
| Race/Ethnicty | Total | Percentage |
|---|---|---|
| White | 46 | 100% |
| Black | 0 | 0% |
| Hispanic | 0 | 0% |
| Asian | 0 | 0% |
| Native American | 0 | 0% |
| Hawaiian/Pac. Islander | 0 | 0% |
| Coordinates | 46.08497238,-118.90707397 |
| Adjacent ZIP Codes | |
| Region | Yakima-Richland-Kennewick Area |
| Metropolitan/Micropolitan Stat Area | Walla Walla, WA |
| Time Zone | Pacific Daylight Time |
| IANA Timezone | America/Los_Angeles |
| Area | 0.06742950 Square Miles |
| School Districts in 99363 | |
| Elementary Schools in 99363 | |
| Middle Schools in 99363 | |
| High Schools in 99363 |