In 2021, Mercer Island, WA had a population of 25.5k people with a median age of 45.5 and a median household income of $170,000. Between 2020 and 2021 the population of Mercer Island, WA declined from 25,820 to 25,506, a −1.22% decrease and its median household income grew from $150,506 to $170,000, a 13% increase.
The 5 largest ethnic groups in Mercer Island, WA are White (Non-Hispanic) (66.8%), Asian (Non-Hispanic) (21.3%), Two+ (Non-Hispanic) (6.92%), White (Hispanic) (1.48%), and Black or African American (Non-Hispanic) (0.847%).
None of the households in Mercer Island, WA reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
90.2% of the residents in Mercer Island, WA are U.S. citizens.
In 2021, the median property value in Mercer Island, WA was $1.5M, and the homeownership rate was 67.7%.
Most people in Mercer Island, WA drove alone to work, and the average commute time was 26.9 minutes. The average car ownership in Mercer Island, WA was 2 cars per household.