In 2020, Mercer Island, WA had a population of 25.8k people with a median age of 45.9 and a median household income of $150,506. Between 2019 and 2020 the population of Mercer Island, WA grew from 25,675 to 25,820, a 0.565% increase and its median household income grew from $147,566 to $150,506, a 1.99% increase.
The 5 largest ethnic groups in Mercer Island, WA are White (Non-Hispanic) (69.4%), Asian (Non-Hispanic) (19.7%), Two+ (Non-Hispanic) (5.77%), White (Hispanic) (2.1%), and Other (Hispanic) (1.07%).
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.
91.2% of the residents in Mercer Island, WA are U.S. citizens.
In 2020, the median property value in Mercer Island, WA was $1.39M, and the homeownership rate was 66.9%. Most people in Mercer Island, WA drove alone to work, and the average commute time was 25.9 minutes. The average car ownership in Mercer Island, WA was 2 cars per household.