| Median Room: | $725 |
| Median Sublet: | $1,478 |
| Median Foreclosure: | $571,006 |
| Median For Sale: | $1,250,000 |
| Median Land: | $598,000 |
| Median Rental: | $1,939 |
| Median New Home: | $5,950,000 |
| Population | 22,036 |
| Square Miles | 6.38 |
| Population Density | 3,452.30 |
| Median Age | 44 |
| Median Household Income | $91,904 |
| Per Capita Income | $53,799 |
| Median Rent | $960 |
| Percent Renters | 13% |
| Median Mercer Island, WA Rental Price: | $1,939 |
| Studio Rental Median Price: | $1,401 |
| 1 Bedroom Rental Median Price: | $1,795 |
| 2 Bedroom Rental Median Price: | $2,095 |
| 3 Bedroom Rental Median Price: | $2,500 |
| 4 Bedroom Rental Median Price: | $2,695 |
| Median Mercer Island, WA For Sale Price: | $1,250,000 |
| Studio For Sale Median Price: | $1,800,000 |
| 1 Bedroom For Sale Median Price: | $1,119,555 |
| 2 Bedroom For Sale Median Price: | $325,000 |
| 3 Bedroom For Sale Median Price: | $779,000 |
| 4 Bedroom For Sale Median Price: | $1,450,000 |
| Median Mercer Island, WA Foreclosure Price: | $571,006 |
| 1 Bedroom Foreclosure Median Price: | $109,199 |
| 2 Bedroom Foreclosure Median Price: | $324,800 |
| 3 Bedroom Foreclosure Median Price: | $790,642 |
| 4 Bedroom Foreclosure Median Price: | $671,560 |