Mercer Island

The Only King County City on an Island

Incorporated in 1960, Mercer Island is the only city in King County located on an island. The city and the island both share the same name. Mercer Island is located in the southern edge of Lake Washington within easy access of both Seattle and Bellevue. Seattle is connected to Mercer Island by Interstate 90 which runs across the Lacey V. Murrow Memorial Bridge, the second longest floating bridge in the world, and the Homer M. Hadley Memorial Bridge. It is connected to Bellevue in the East also by Interstate 90 which runs across the East Channel Bridge. It has a total land area of about 4,057 acres and home to over 22,000 people, which makes it the 50th largest city in the state.

Lifestyle
Business
Major Employers
Education

Mercer Island Demographics

Total Population
22,690

Total Population

(Source: Washington State Office of Financial Management estimate, April 1, 2012)

Median Household income
147,474

Median Household Income

(Source: Resource 360)

Single Family Households
7,360

Single Family Households

(Source: Washington State Office of Financial Management estimate, April 1, 2012)

Multi Family Households
2,566

Multi Family Households

(Source: Washington State Office of Financial Management estimate, April 1, 2012)

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