Kelso, WA zip code
Kelso, Washington uses one zip code: 98626. Most of it is in Cowlitz County. Together these zip codes are home to about 27K people.
Zip codes
1
Population
27K
All zips combined
Largest zip
98626
26,892 residents
Zip codes in Kelso
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 98626 | 26,892 | $75,528 |