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98040, Market Trends

There are 98 active listings and 13 new listings in 98040, WA.
In 98040, WA, homes sold for a median price of $2,595,000 in April 2026.
On average, properties in Mercer Island, WA sell after 22 days on the market compared to 18 days last year.
104 homes were sold in Mercer Island, WA in April 2026, up from 96 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.
The average rating of all the schools in Mercer Island, WA is 9 out of 10 by GreatSchools.

98040, WA Homes For Sale

98040 Overview

Active Homes

98

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New Homes

13

Open Houses

4

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Price Reduced

16

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98040 Market Trends & Statistics

last updated on May 31, 2026

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98040 Demographics and Neighborhood Info

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Schools in 98040

98040, Mercer Island 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

98040 Property Insights

People

People

51% Female/Male
Avg Age is 42 Years Old

School

School

75% with College Degree
97% with High School Diploma

Earnings

Earnings

Avg Household Earnings $182K
5% in Poverty

May Temperature

May Temperature

59° Fahrenheit

H: 68°F L: 50°F

Days of Sunshine

Days of Sunshine

Low

Compared with the National Average

Rainfall

Rainfall

42 Inches

Snowfall

Snowfall

6 Inches

Temperate - dry/warm summer

Temperate - dry/warm summer

Mediterranean climate with moderate temperatures and regular rainfall except for warm dry summers.

98040 Neighborhood Scores

Food

Pets

Walkability

Kid Friendly

Recently Listed Homes in 98040

Open Houses in 98040