12 ZIP Code Tabulation Areas in Mason County, Washington. The population-weighted median household income is about $85,639, the median home value about $420,377, and 82.6% of occupied homes are owner-occupied.
- 12
- ZIP codes
- 86.4K
- Population
- 53
- Data points
Mason County at a glance
- $85,639
- Median household income
- $420,377
- Median home value
- 43.8
- Median age
- 82.6%
- Owner-occupied
- 41,543
- Housing units
Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.
Top 5 Mason County ZIP codes by median household income| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 98592 | Union | 2,059 | 83.3% | $138,370 |
| 2 | 98380 | Seabeck | 5,471 | 87.8% | $125,229 |
| 3 | 98524 | Allyn | 4,300 | 94.6% | $99,483 |
| 4 | 98546 | Grapeview | 2,430 | 93.9% | $97,159 |
| 5 | 98528 | Belfair | 11,940 | 80.6% | $91,058 |
Top 5 Mason County ZIP codes by population| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 98584 | Shelton | 40,606 | 79.8% | $78,610 |
| 2 | 98528 | Belfair | 11,940 | 80.6% | $91,058 |
| 3 | 98541 | Elma | 10,810 | 78.7% | $78,816 |
| 4 | 98380 | Seabeck | 5,471 | 87.8% | $125,229 |
| 5 | 98524 | Allyn | 4,300 | 94.6% | $99,483 |
Top 5 Mason County ZIP codes by Homeowner GDP| # | ZIP | City | Population | Homeowner % | Median HH $ | Homeowner GDP |
|---|
| 1 | 98584 | Shelton | 40,606 | 79.8% | $78,610 | $932.8M |
| 2 | 98528 | Belfair | 11,940 | 80.6% | $91,058 | $323.7M |
| 3 | 98541 | Elma | 10,810 | 78.7% | $78,816 | $240.2M |
| 4 | 98380 | Seabeck | 5,471 | 87.8% | $125,229 | $202.6M |
| 5 | 98524 | Allyn | 4,300 | 94.6% | $99,483 | $163.6M |
Homeowner GDP = owner-occupied units × median household income — a proxy for aggregate homeowner spending power in a ZIP, useful for scoring market opportunity. Not an official economic statistic.
Densest: 98524 (Allyn) at 525 people/sq mi. Least dense: 98560 at 3 people/sq mi.
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