98040 ZIP Code – Mercer Island, Washington
ZIP code 98040 is a large ZIP code located in Mercer Island, Washington, within King County with a population of approximately 25,464 residents. The median household income is $190,985 — well above the Washington average and well above the national average. At $1,683,600, median home values run well above the national average, with 67.0% owner-occupied housing (increasing). , with median rent coming in at $2,315 — well above the national figure. Housing consists of 67% single-family (decreasing), 32% apartments (increasing).
The area reports an unemployment rate of 2.5%, well below the national average. The poverty rate of 4.6% is well below the U.S. average. An estimated 78.8% of adults hold a bachelor's degree or higher, well above the national average. The population has a median age of 45.8, near the national median. Nearby ZIP codes include 98118, 98144, 98004.
ZIP Code 98040 Data
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ZIP 98040 vs. Washington vs. U.S.
| Metric | ZIP 98040 | WA Avg. | U.S. Avg. |
|---|---|---|---|
| Population | 25k | 12k | 10k |
| Median Household Income | $190k | $83k | $73k |
| Median Home Value | $1.7M | $428k | $258k |
| Median Rent | $2,315 | $1,322 | $1,088 |
| Median Age | 45.8 | 43.0 | 43.2 |
| Unemployment Rate | 2.5% | 5.3% | 5.0% |
| Poverty Rate | 4.6% | 11.6% | 13.3% |
| Bachelor's Degree or Higher | 78.8% | 31.1% | 26.9% |
Demographics Charts
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Nearby ZIP Codes
- 98118 – Seattle
- 98144 – Seattle
- 98004 – Bellevue
- 98006 – Bellevue
- 98108 – Seattle
- 98056 – Renton
- 98122 – Seattle
- 98005 – Bellevue
- 98039 – Medina
- 98178 – Seattle
Nearby ZIP Code Comparison
| ZIP Code | City | Population | Median Income |
|---|---|---|---|
| 98118 | SEATTLE | 48,874 | $106,930 |
| 98144 | SEATTLE | 32,540 | $97,953 |
| 98004 | BELLEVUE | 39,161 | $157,784 |
| 98006 | BELLEVUE | 39,753 | $185,991 |
| 98108 | SEATTLE | 23,762 | $90,179 |