Explore Mercer Island, Washington, with this interactive street and satellite map. You can “grab” the Mercer Island, WA street map and move it around to re-centre it. You can change between standard map view and satellite map view by clicking the small square in the bottom left-hand corner of the map. You can use the zoom buttons on the lower right side of the map to zoom in or out to street-level detail. You will find live weather, local and world news below.
| City | Mercer Island |
| State | Washington (WA) |
| County | King |
| Country | United States of America |
| Timezone | Pacific Time (America/Los_Angeles) |
| Latitude | 47.570655 |
| Longitude | -122.222067 |
| Population | 25,307 |
| Density | 1529.4 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 98040 |
| Area Code | 206, 253 |
| County Seat | Seattle |
| School District | Mercer Island School District |
Mercer Island is a locality in King County, Washington, United States. It has a population of 25,307. The population density is 1529.4 people per km². Mercer Island is located at 47.5707°N, 122.2221°W. It observes the Pacific Time (America/Los_Angeles) timezone. ZIP code: 98040.
Mercer Island lies as a verdant jewel within the shimmering expanse of Lake Washington, a natural island that feels both connected and distinct from the broader Puget Sound region. It lies 2.9 miles south-southwest of Bellevue, WA (from Bellevue, WA: bearing 200°T), and is situated 5.7 miles east-southeast of Seattle. Its geography is defined by gentle slopes that rise from the lake's shores, culminating in a central ridge that offers glimpses of the distant Cascade Mountains, a soft, blue haze on clearer days. The island's wooded character, with mature firs and cedars, lends a sense of enduring quietude, even as the water surrounding it pulses with the constant ballet of ferries and private boats. The air here often carries the clean, cool scent of pine and damp earth, a subtle perfume that speaks of the Pacific Northwest's abundant rainfall and lush vegetation. The story of Mercer Island is one of transformation, from its earliest days as a logging and agricultural outpost to its current status as a thriving residential hub. Early settlers found fertile ground for farming, their efforts a testament to the island's productive soil, while timber provided sustenance and shaped the early landscape. Over time, the development of bridges and ferry services drew people to its serene setting, fostering a local economy that now largely supports a professional workforce commuting to nearby Seattle. This evolution has created a unique blend of suburban comfort and island tranquility, where the echoes of its industrious past can still be felt in the quiet neighborhoods. The cultural character of Mercer Island is marked by a thoughtful, engaged citizenry, often described as having a refined, yet unpretentious, sensibility. Residents find solace in the island's many parks, like Luther Burbank Park with its expansive lawns and waterfront access, and the trails that wind through the undeveloped natural areas, offering quiet communion with nature. The Mercer Island Community Center serves as a vibrant hub for local activities, hosting a range of classes and events that foster a strong sense of connection. While no globally recognized celebrities hail solely from Mercer Island's recent history, its residents often contribute significantly to the cultural and intellectual life of the greater Seattle area, their influence felt in the arts, sciences, and civic engagement that define the region.
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This page provides an embedded street and satellite map of Mercer Island, Washington — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 47.570655, -122.222067. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Mercer Island and King County.
Detailed location data for Mercer Island includes the ZIP code (98040), telephone area code (206, 253), county seat of King County (Seattle), and school district assignment (Mercer Island School District). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Mercer Island is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |