89 ZIP Code Tabulation Areas in King County, Washington. The population-weighted median household income is about $131,263, the median home value about $930,578, and 55.8% of occupied homes are owner-occupied.
- 89
- ZIP codes
- 2.3M
- Population
- 53
- Data points
King County at a glance
- $131,263
- Median household income
- $930,578
- Median home value
- 37.9
- Median age
- 55.8%
- Owner-occupied
- 1,020,460
- Housing units
Income, home value, and age are population-weighted averages of the ZIP-level medians in the file. Counts are exact.
Top 5 King County ZIP codes by median household income| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 98075 | Sammamish | 25,498 | 87.3% | $250,001 |
| 2 | 98039 | Hunts Point | 2,928 | 79.5% | $250,001 |
| 3 | 98164 | Seattle | 292 | 82.9% | $250,001 |
| 4 | 98074 | Sammamish | 30,761 | 83.7% | $244,362 |
| 5 | 98040 | Mercer Island | 25,307 | 67% | $219,069 |
Top 5 King County ZIP codes by population| # | ZIP | City | Population | Homeowner % | Median HH $ |
|---|
| 1 | 98052 | Cottage Lake | 80,717 | 44.8% | $163,460 |
| 2 | 98115 | Seattle | 54,349 | 59.7% | $156,142 |
| 3 | 98133 | Seattle | 53,249 | 48.4% | $93,662 |
| 4 | 98103 | Seattle | 52,671 | 44.4% | $131,154 |
| 5 | 98034 | Bothell | 52,531 | 59.2% | $135,219 |
Top 5 King County ZIP codes by Homeowner GDP| # | ZIP | City | Population | Homeowner % | Median HH $ | Homeowner GDP |
|---|
| 1 | 98052 | Cottage Lake | 80,717 | 44.8% | $163,460 | $2.5B |
| 2 | 98006 | Bellevue | 40,009 | 79.8% | $198,150 | $2.2B |
| 3 | 98115 | Seattle | 54,349 | 59.7% | $156,142 | $2.2B |
| 4 | 98074 | Sammamish | 30,761 | 83.7% | $244,362 | $2.1B |
| 5 | 98033 | Kirkland | 40,982 | 63.2% | $182,500 | $2B |
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: 98164 (Seattle) at 82,518 people/sq mi. Least dense: 98288 (Skykomish) at 1 people/sq mi.
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