Mercer Island, WA Demographics & Local Data
Analyze population trends, housing costs, and the local economy by exploring Map AI.
Area Snapshot
Key statistics on population, economy, housing, and commuting compared to state and national averages. Explore interactive maps for deeper analysis.
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Population
| Metric | Mercer Island | Washington Avg | U.S. Average |
|---|---|---|---|
| Population | 25,178 | 7,740,889 | 334,821,731 |
| Population density (per sq mi) | 1951.7 | 108.5 | 85.8 |
| Population growth (%/yr) | -0.16% | 1.20% | 0.57% |
| Median age | 46.7 | 36.2 | 37.1 |
| Households | 9,861 | 3,012,519 | 128,459,983 |
Population Over Time
Race & Ethnicity
Economy
Mercer Island has a the economy index of A+, which means it is exceptionally prosperous.
| Metric | Mercer Island | Washington Avg | U.S. Average |
|---|---|---|---|
| Median household income | $200,000 | $95,177 | $78,145 |
| Income growth (%/yr) | 7.01% | 6.00% | 5.07% |
| Unemployment rate | 2.5% | 4.9% | 5.2% |
Housing
| Metric | Mercer Island | Washington Avg | U.S. Average |
|---|---|---|---|
| Median home price | $2,000,000 | $471,160 | $242,182 |
| Median rent | $2,463 | $1,681 | $1,342 |
| Homeownership rate | 65.9% | 63.9% | 65.1% |
Mobility & Commuting
The most common departure window is 08:00 AM – 08:29 AM , followed by 07:30 AM – 07:59 AM .
| Metric | Mercer Island | Washington Avg | U.S. Average |
|---|---|---|---|
| Average commute time (min) | 23.2 | 22.6 | 22.5 |
| Work from home | 35.7% | 17.7% | 13.4% |
Education & Households
Mercer Island has a education index of A+, which means it is exceptionally educated.
| Metric | Mercer Island | Washington Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 74.1% | 35.1% | 31.6% |
| Average household size | 2.54 | 2.51 | 2.54 |
Health
Mercer Island has a health index of A+, which means it is exceptionally healthy.
| Metric | Mercer Island | Washington Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 84.4 | 79.6 | 78.3 |
| Self-rated poor health | 7.9% | 15.4% | 16.3% |
| Smokers | 6.3% | 16.4% | 19.0% |