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Mercer Island, WA, Market Trends

There are 109 active listings and 14 new listings in Mercer Island, WA.
In Mercer Island, WA, homes sold for a median price of $2,185,000 in July 2026.
On average, properties in Mercer Island, WA sell after 38 days on the market compared to 34 days last year.
137 homes were sold in Mercer Island, WA in July 2026, up from 116 last year.
Mercer Island, WA is part of the King County R-1 School District, with 9 Elementary Schools, 7 Middle Schools, and 6 High Schools.

Mercer Island, WA Homes For Sale

Mercer Island Overview

Active Homes

109

See Active Homes

New Homes

14

Open Houses

3

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Price Reduced

17

See Price Reduced

Mercer Island, WA Market Trends & Statistics

last updated on August 12, 2026

Schools in Mercer Island, WA

Mercer Island, WA hosts 6 public schools with an average rating of 9 of out 10 by GreatSchools. You can also find 8 private schools.

School Districts

1

Elementary Schools

9

Middle Schools

7

High Schools

6

Grades:
Elementary
Middle
High

Northwood Elementary School

public School, Grades PK, K-5

GreatSchools Rating: 10 out of 10

Island Park Elementary School

public School, Grades K-5

GreatSchools Rating: 9 out of 10

Lakeridge Elementary School

public School, Grades K-5

GreatSchools Rating: 9 out of 10

West Mercer Elementary School

public School, Grades K-5

GreatSchools Rating: 8 out of 10

St. Monica School

private School, Grades PK, K-8

GreatSchools Rating: This school is not rated.

American Academy

private School, Grades PK, K-12

GreatSchools Rating: This school is not rated.

Early World Montessori

private School, Grades PK-K

GreatSchools Rating: This school is not rated.

Yellow Wood Academy

private School, Grades 2-12

GreatSchools Rating: This school is not rated.

French American School of Puget Sound

private School, Grades PK-8

GreatSchools Rating: This school is not rated.

Browse School Districts

Mercer Island School District

Mercer Island, WA Property Insights

People

People

51% Female/Male
Avg Age is 42 Years Old

School

School

77% with College Degree
98% with High School Diploma

Earnings

Earnings

Avg Household Earnings $196K
4% in Poverty

Elevation

Elevation

203.03 Feet

Tree Coverage

Tree Coverage

45.35%

Average Tree Covering

August Temperature

August Temperature

69° Fahrenheit

H: 80°F L: 57°F

Days of Sunshine

Days of Sunshine

Low

Compared with the National Average

Rainfall

Rainfall

43 Inches

Mercer Island, WA Neighborhood Scores

Food

Pets

Walkability

Kid Friendly

Recently Listed Homes in Mercer Island, WA

Open Houses in Mercer Island, WA