Mercer Island, Washington
Quick Statistics
Mercer Island is a community in King County, Washington, home to about 25,307 people spread across 6.4 square miles of land. The median personal income here is $89,076 a year, and a typical home is worth about $2,000,001. About 86.0% of adults hold a college degree, and 94.2% of residents under 65 have health insurance. The population has grown about 11 percent over the past decade.
See how Mercer Island has changed over the past 15 years »
Among the Washington towns GeoStat tracks, Mercer Island ranks number 52 of 628 in population, number 9 in median household income, number 5 in median home value. See how it stacks up on the trends page or compare it with another town.
Summers around Mercer Island typically top out near 70°F in July, while January nights average about 32°F. The area sees roughly 42 inches of snow a year. Full normals are on the climate page.
| # | Town | Distance | Population |
|---|---|---|---|
| 1. | Beaux Arts Village, WA | 2.0 mi. | 233 |
| 2. | Newcastle, WA | 3.8 mi. | 12,989 |
| 3. | Eastgate, WA | 4.0 mi. | 4,958 |
| 4. | Bellevue, WA | 4.2 mi. | 151,847 |
| 5. | Medina, WA | 4.4 mi. | 2,928 |
| 6. | Clyde Hill, WA | 4.6 mi. | 3,119 |
| 7. | Bryn Mawr-Skyway, WA | 4.8 mi. | 17,638 |
| 8. | Boulevard Park, WA | 5.2 mi. | 4,575 |
What is the population of Mercer Island, Washington?
Mercer Island has a population of about 25,307 people, according to the latest Census Bureau estimates.
What county is Mercer Island, Washington in?
Mercer Island is located in King County, Washington.
What is the median home value in Mercer Island, Washington?
The median home value in Mercer Island is about $2,000,001, based on American Community Survey data.
What is the median income in Mercer Island, Washington?
The median personal income in Mercer Island is about $89,076 per year.
How many tornadoes have hit near Mercer Island, Washington?
Since 1950, 5 tornadoes have been recorded in King County. See the tornado page for maps and details of each one.
What is the weather like in Mercer Island, Washington?
Typical July highs run about 70 degrees and January lows about 32 degrees, with around 42 inches of snow a year. Figures are 30-year NOAA climate normals.
Use the menu on the left to find more detailed statistics on Mercer Island, Washington.