Median Age
45 Years
Largest Age Group
50-59 Years
Approximately 15% of Residents
Under 20
23%
Over 65
22%
Mercer Island
Mercer Island, WA Area Guide
Avg Rent
$2,380
Population
25,474
Renter Mix
35% Rent
Lake Washington surrounds this upscale island community
Upscale
•
Luxurious
•
Suburban
•
Peaceful
•
Family-Friendly
•
Scenic
•
Lush
•
Nestled between Seattle and Bellevue, Mercer Island rests in the southern portion of Lake Washington. Incorporated in 1960, the city is highly regarded for its upscale homes, excellent schools, lush natural beauty, tranquil atmosphere, and miles of developed shoreline.
Mercer Island fosters a strong sense of community through a variety of family-friendly events, such as the Mercer Island Summer Celebration and the Mercer Island Farmers Market, among many others. Residents also bond over a shared love of outdoor recreation at popular venues like Luther Burbank Park, Aubrey Davis Park, and Mercerdale Park. Much of the city’s commercial offerings are clustered near I-90, which connects Mercer Island to the Greater Seattle Area and beyond.
Demographics
Median Household Income
$198,845
Average: $200,588
Education
15,001
Residents Have a Degree
Job Market
12,800
Workers Employed
Age Distribution
Get a sense of this area's population profile.
Housing Distribution
Mercer Island has more homeowners than renters.
Renters
35%
Non-Renters
65%
Education Distribution
Review this city's overall education levels.
Bachelor's or Higher
56%
Other Education
44%
Rent Trends
As of April 2026, the average apartment rent in Mercer Island, WA is $2,170 for a studio, $2,268 for one bedroom, $3,220 for two bedrooms, and $3,141 for three bedrooms. Apartment rent in Mercer Island has decreased by -2.9% in the past year.
Property Type
Average Rent
Average Sq Ft
Apartment
$2,268/month
762 Sq Ft
Getting Around
Explore how walkable, bikeable, drivable, and transit-friendly Mercer Island, WA is for everyday living.
Somewhat Walkable
Walkability
30
/ 100
Limited Public Transit
Transit
20
/ 100
Exceptionally Drivable
Drivability
90
/ 100
Fairly Bikeable
Bikeability
40
/ 100
Scores provided by
Schools
Public
Grades PK-5
404 Students
Public
Grades K-5
397 Students
Public
Grades K-5
380 Students
Public
Grades K-5
422 Students
Public
Grades 6-8
930 Students
Public
Grades 9-12
1,524 Students
School data provided by
The GreatSchools Rating helps parents compare schools within a state based on a variety of school quality indicators and provides a helpful picture of how effectively each school serves all of its students. Ratings are on a scale of 1 (below average) to 10 (above average) and can include test scores, college readiness, academic progress, advanced courses, equity, discipline and attendance data. We also advise parents to visit schools, consider other information on school performance and programs, and consider family needs as part of the school selection process.
View GreatSchools Rating Methodology
Data provided by
GreatSchools.org
© 2026. All rights reserved.
The GreatSchools Rating helps parents compare schools within a state based on a variety of school quality indicators and provides a helpful picture of how effectively each school serves all of its students. Ratings are on a scale of 1 (below average) to 10 (above average) and can include test scores, college readiness, academic progress, advanced courses, equity, discipline and attendance data. We also advise parents to visit schools, consider other information on school performance and programs, and consider family needs as part of the school selection process.
View GreatSchools Rating Methodology
Data provided by
GreatSchools.org
© 2026. All rights reserved.
Points of Interest
Shopping Centers
Parks and Recreation
- Mercerdale Park
- Newcastle Beach Park
- Genesee Park and Playfield
- Seward Park
- Seward Park Environmental & Audubon Center
Transit / Subway
Military Bases
Airports
- Seattle-Tacoma International
- Seattle Paine Field International
Top Apartments in Mercer Island
Houses for Rent in Mercer Island
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Methodology
† Our analysis of utilities, groceries, transportation, healthcare, home prices, and other goods and services is sourced from the Cost of Living Index, a respected benchmark published by the Council for Community and Economic Research (C2ER) that provides a thorough overview of living expenses across different regions.
Rent data is provided by CoStar Group’s Market Trend reports. As the industry leader in commercial real estate information, analytics, and news, CoStar conducts extensive research to produce and maintain a comprehensive database of commercial real estate information. We combine this data with public record to provide the most up-to-date rental information available.
Consumer goods, services, and home prices are sourced from the Cost of Living Index published by the Council for Community and Economic Research (C2ER). The data on this page is updated quarterly. It was last published in February 2026.
Demographic information comes from Neustar and combines detailed address data with U.S. Census and American Community Survey statistics to produce reliable local estimates.