Mercer Island, WA real estate
Buying or selling a home, condo, or piece of land in Mercer Island? Here is what the city's housing actually looks like, and how to reach Isaac Ortiz about it.
Mercer Island housing snapshot
| Population | 25,282 | |
|---|---|---|
| Median home value | $1,884,200 | Owner-reported |
| Median household income | $202,359 | |
| Detached houses | 65.6% | Share of all housing units |
| Townhomes / attached | 0.4% | |
| In buildings of 2+ units | 33.3% | Condos and apartments alike |
| Manufactured homes | 0.8% | |
| Owner-occupied | 66% | |
| Median year built | 1973 | |
| Vacancy rate | 5.4% |
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023). Tables B25077, B01003, B25003, B25024, B25035, B19013, B25002. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
What the numbers mean for a buyer or seller
The median owner-reported home value in Mercer Island is $1,884,200.
That is 132% above the King County median of $811,200. Median household income is $202,359, 66% above the county's $122,148.
Mercer Island's housing is genuinely mixed - 65.6% detached houses, 33.3% in multi-unit buildings, and 0.4% attached single-family such as townhomes. Both house and attached-home stock exist here in real numbers.
66% of occupied homes are owner-occupied - a fairly even ownership-to-rental split.
Half of Mercer Island's homes were built in 1973 or earlier, so a large share predates modern energy codes - worth leaving time in the inspection for the roof, the electrical, and the plumbing.
Talk to Isaac Ortiz about Mercer Island
Isaac Ortiz is a licensed real estate broker with Compass, working King County and the surrounding Puget Sound area. Se habla español. Send a note and he will reply personally.
Or call +1 253-359-5263 or email Isaac.Ortiz@nwret.com.