Occupying its own island in Lake Washington between Seattle and Bellevue, Mercer Island offers a rare combination: a tranquil, lake-oriented community just 15 to 30 minutes from two major job centers. Incorporated in 1960, this affluent city of about 25,000 is defined by mature evergreen cover, scenic waterfront properties — many with private docks — and a small-town “islander” spirit.
Homes range from classic Northwest and mid-century residences to remodeled properties and striking contemporary custom builds, with condos and townhomes clustered near the walkable Town Center.
Mercer Island is unapologetically family-oriented and active — running, cycling, and boating are practically civic institutions. Neighbors gather at the seasonal farmers market, pack Luther Burbank Park for free Shakespeare performances, and celebrate the late-fall Harvest Market. Despite its proximity to the region's biggest employment centers, the island keeps a close-knit, small-town feel where community runs deep.
The walkable Town Center, centered on 27th–28th Streets and 76th–78th Avenues SE, is the island's commercial heart, with boutique retail and dining for every mood. The historic Roanoke Inn — the island's longest-standing gathering spot — sits on the waterfront, while Mioposto Pizzeria's wood-fired pies, Mora Iced Creamery, Vivienne's Bistro, Hap's Burgers & Taps, Shawn's Cafe & Bakery, and Kitanda Coffee & Acai are local staples.
Metropolitan Market and QFC cover daily needs, Island Books is a cherished independent bookstore, and the Mercer Island Community & Event Center offers a pool, gym, and year-round programming.
Luther Burbank Park's 77 waterfront acres deliver swimming beaches, a fishing pier, an award-winning playground, tennis and pickleball courts, and miles of trails. Aubrey Davis Park — a park lid built over 2,800 feet of I-90 — offers sports fields and sweeping lake views, while 113-acre Pioneer Park winds 6.6 miles of hiking, biking, and equestrian trails through deep forest.
Mercerdale Park and Clarke Beach round out the options, and the island's Perimeter Trail and I-90 trail connect cyclists to Seattle and the Eastside.
Based on information submitted to the MLS GRID as of . All data is obtained from various sources and may not have been verified by the broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.
25,282 people live in Mercer Island, where the median age is 45.8 and the average individual income is $120,120. 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
There's plenty to do around Mercer Island, including shopping, dining, nightlife, parks, and more. Data provided by Walk Score and Yelp.
Explore popular things to do in the area, including Mercer Island Shopping Center, Homestead Park, and Solace Yoga.
| Name | Category | Distance | Reviews |
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Yelp
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| Shopping | 1.16 miles | 0 reviews | 0/5 stars | |
| Active | 0.59 miles | 1 review | 5/5 stars | |
| Active | 1.43 miles | 0 reviews | 0/5 stars | |
| Beauty | 1.32 miles | 0 reviews | 0/5 stars | |
| Beauty | 1.43 miles | 0 reviews | 0/5 stars | |
| Beauty | 1.45 miles | 0 reviews | 0/5 stars | |
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Mercer Island has 9,893 households, with an average household size of 2.54. 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. 25,282 people call Mercer Island home. The population density is 3,961 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
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Average Household Size
Average individual Income
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