College Place, WA ZIP code
The ZIP code for College Place, Washington is 99324. It is in Walla Walla County.
- Population in these ZIPs
- 10,137
- Avg. median income
- $62,800population-weighted
- Typical home value
- $407,000population-weighted
- Metro area
- Walla Walla, WA
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College Place, WA ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 99324 | 10,137 | $62,839 | $407,000 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
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Frequently asked questions
What is the ZIP code for College Place, WA?
The ZIP code for College Place, WA is 99324.
What county is College Place, Washington in?
College Place ZIP codes are in Walla Walla County.