Mercer Island city, Washington demographics and economy

Census American Community Survey 2023 5-Year Estimates for Mercer Island city, Washington.

Population
25,282
Median HH Income
$202,359
Median Home Value
$1,884,200
Median Age
45.8

Workforce

Unemployment rate
2.5%
303 unemployed of 12,348 in labor force
Bachelor's degree or higher
38.3%
of population age 25+ (18,179 total)
Below poverty line
4.6%
1,168 of 25,156 surveyed

Housing & cost of living

Median home value
$1,884,200
owner-occupied housing units
Median gross rent
$2,464/mo
renter-occupied units, all bedrooms

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Data source: U.S. Census Bureau American Community Survey 2023 5-Year Estimates (Table B). Geography: place (incorporated city/town/CDP). Public domain (USA.gov).

Indicators: B01003 (population), B19013 (median household income), B25077 (median home value), B01002 (median age), B25064 (median gross rent), B23025 (labor force/unemployment), B15003 (educational attainment), B17001 (poverty).

Generated 2026-05-27. Census applies suppression rules to small populations; some values may be unavailable.