Belfair, WA zip code
Belfair, Washington uses one zip code: 98528. Most of it is in Mason County. Together these zip codes are home to about 12K people.
Zip codes
1
Population
12K
All zips combined
Largest zip
98528
11,940 residents
Zip codes in Belfair
| Zip | Type | Population | IncomeMedian income |
|---|---|---|---|
| 98528 | 11,940 | $91,058 |