Mercer Island, WA ZIP codes

1 ZIP/ZCTA intersecting this Census place in King County.

ACS 2023 population

25,282

Median household income

$202,359

Median home value

$1,884,200

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Mercer Island (GEOID 5345005). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 25,282 (1 ZIPs).

Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology

Map of Mercer Island, WA

Census place boundary and intersecting ZIP Code Tabulation Areas for Mercer Island, WA — Census place boundary for Mercer Island, WA. Intersecting ZCTAs may extend past the city limit. Not a USPS city limit. Boundaries: U.S. Census Bureau. Methodology · Data sources

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ZIP/ZCTA overlap with Mercer Island

Population overlap

Share of each ZIP/ZCTA’s population located within Mercer Island, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

98040100.0%
USPS primary city

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Mercer Island

ZIP	City	County	Population	Income
98040	Mercer Island	King County	25,282	$202,359