Cosmopolis, WA zip code
Cosmopolis, Washington uses one zip code: 98537. Most of it is in Grays Harbor County. Together these zip codes are home to about 2.8K people.
Zip codes
1
Population
2.8K
All zips combined
Largest zip
98537
2,820 residents
Zip codes in Cosmopolis
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 98537 | 2,820 | $79,459 |