25,506 people live in Mercer Island, where the median age is 45.5 and the average individual income is $101,832. Data provided by the U.S. Census Bureau.
Total Population
Median Age
Population Density Population Density This is the number of people per square mile in a neighborhood.
Average individual Income
Perched gracefully on the serene waters of Lake Washington, Mercer Island is a gem in the Puget Sound region of Washington state. This island city, located between Seattle and Bellevue, boasts a unique blend of exclusivity and community warmth. Known for its affluent neighborhoods and waterfront properties, Mercer Island offers residents a luxurious yet laid-back lifestyle. The city is interconnected by a network of bridges, providing easy access to the mainland and the vibrant cultural scenes of neighboring cities. Mercer Island's lush parks and waterfront parks provide a tranquil escape for outdoor enthusiasts, while its top-notch schools and family-friendly atmosphere make it an ideal place for raising families. With a tight-knit community, stunning lake views, and a commitment to maintaining a high quality of life, Mercer Island stands as a testament to the Pacific Northwest's allure, providing an oasis of elegance and charm in the midst of urban sophistication.
Here are a few of my favorite spots:
View More Mercer Island Listings
Mercer Island has 9,758 households, with an average household size of 2.6. Data provided by the U.S. Census Bureau. Here’s what the people living in Mercer Island do for work — and how long it takes them to get there. Data provided by the U.S. Census Bureau. 25,506 people call Mercer Island home. The population density is 3,996.16 and the largest age group is Data provided by the U.S. Census Bureau.
Total Population
Population Density Population Density This is the number of people per square mile in a neighborhood.
Median Age
Men vs Women
Population by Age Group
0-9 Years
10-17 Years
18-24 Years
25-64 Years
65-74 Years
75+ Years
Education Level
Total Households
Average Household Size
Average individual Income
Households with Children
With Children:
Without Children:
Marital Status
Blue vs White Collar Workers
Blue Collar:
White Collar:
With a 20-year total of more than $100M in sales, her experience shines through. Whether she’s working with first-time home buyers or seasoned investors in a complex deal, Kristi walks through each stage of the home sale and makes sure you feel supported and understood.