Demographics in Mercer Island, WA

Population, age, race, ethnicity, and household statistics — 2023 ACS Data

Where is Mercer Island?

Loading map…

Population

Source: U.S. Census Bureau ACS (2023)

Total Population

25,282

Male

11,743

46.4%

Female

13,539

53.6%

Median Age

45.8

Race & Ethnicity

Source: U.S. Census Bureau ACS (2023)

White

65.7%

Black

1.4%

Hispanic

2.3%

Asian

22.3%

Two or More

9.7%

Other

0.8%

Education & Household

Source: U.S. Census Bureau ACS (2023)

Bachelor's or Higher

56.7%

High School or Higher

60.5%

Foreign Born

24.5%

Veterans

3.6%

Married

53.2%

Avg Household Size

2.5

Marital Status by Age

Source: U.S. Census Bureau ACS (2023)

Mercer Island, WA has a population of 25,282 with a median age of 45.8. The racial makeup is 65.7% White, 2.3% Hispanic, 1.4% Black, 22.3% Asian. About 56.7% of residents hold a bachelor's degree or higher. The foreign-born population is 24.5%.