Mercer Island is located in Washington.
Mercer Island, Washington has a population of
25,552.
Mercer Island is
more
family-centric than the surrounding county with
32% households with children.
The county percentage for households with children is 26%.
The median household income in Mercer Island, Washington is
$155,272.
The median household income for the surrounding county is $102,088
compared to the national median of $66,222.
The median age of people living in Mercer Island is
48.2 years.
Mercer Island Weather
The average high temperature in July is 74.5
degrees, with an average low temperature in January of 36 degrees.
The annual precipitation is
38.25.