Mercer Island, a city located in the state of Washington (WA), is home to a population of approximately 25,464 people. Mercer Island boasts a median age of 45.3, with around 26.5% of its residents aged 60 or above. 4.4% of the population identifies as US Veterans. 9.8% of Mercer Island residents are disabled. The city has an average household income of $190,985, while the unemployment rate stands at 2.6%, and around 5.3% of the population is considered to be living below the poverty level. In terms of housing, the average home value in Mercer Island is $1,677,460, with a monthly rent averaging $2,315.