County · Washington · United States
Mason County ZIP codes
9 ZIP codes · 9 cities · FIPS 53045
Key facts
- State
- Washington (WA)
- FIPS code
- 53045
- Population
- 66,968
- Median household income
- $78,359
- Median age
- 44.8
- Land area
- 959.5 sq mi (2,485.2 km²)
- Population density
- 70 / sq mi
- Area codes
- 360, 564
Cities and ZIP codes in Mason County (9)
| City | ZIP codes |
|---|---|
| Allyn | 98524 |
| Belfair | 98528 |
| Grapeview | 98546 |
| Hoodsport | 98548 |
| Lilliwaup | 98555 |
| Matlock | 98560 |
| Shelton | 98584 |
| Tahuya | 98588 |
| Union | 98592 |
About this page
County figures are Census county-level values (ACS 5-year); the ZIP list shows the ZIPs whose primary county this is — a ZIP on a border can also serve neighbouring counties.
Sources: U.S. Census Bureau (2020 county relationship file, ACS 5-year) · GeoNames. Methodology.