Union, WA zip code
Union, Washington uses one zip code: 98592. Most of it is in Mason County. Together these zip codes are home to about 2.1K people.
Zip codes
1
Population
2.1K
All zips combined
Largest zip
98592
2,059 residents
Zip codes in Union
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 98592 | 2,059 | $138,370 |