ZIP CodeStandard
98040
Mercer Island, WA
ZIP Code 98040 in Mercer Island, WA has a population of 25,748 and a median household income of $219,069. Explore Census demographics, housing, and a map.
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
25,748
People
Median age
46.4
Housing
Total households
10,068
Income
Median household income
$219,069
Housing
Total housing units
10,609
Employment
Employment rate
58.4%
Education
Bachelor’s degree or higher
81.4%
Healthcare
Insured population
98.8%
Nearby ZIP codes
ZIP codes near 98040.
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS