Clarkston, WA zip code
Clarkston, Washington uses one zip code: 99403. Most of it is in Asotin County. Together these zip codes are home to about 21K people.
Zip codes
1
Population
21K
All zips combined
Largest zip
99403
20,760 residents
Zip codes in Clarkston
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 99403 | 20,760 | $71,482 |