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Mercer Island (WA) Streets, Geographical, Population & More

W Mercer Way
E Mercer Way
76th Ave
PO Box
90th Ave
86th Ave
80th Ave
84th Ave
91st Ave
92nd Ave
81st Ave
77th Ave
Forest Ave
78th Ave
72nd Ave
82nd Ave
Fortuna Dr
88th Ave
Island Crest Way
Se 27th St
N Mercer Way
96th Ave
Se 71st St
93rd Ave
74th Ave
89th Ave
79th Ave
Se 29th St
85th Ave
Se 40th St

Population of Mercer Island, Washington

StateWashington
Land Area (mi²)6.4 sq mi
Density (mi²)4,129.6/sq mi
2022 Growth Rate1.17% (305)
Growth Since 20202.08% (538)
Rank in State50th
Rank in Country1745th

The population of Mercer Island, WA in 2022 is estimated to be 26,358. This is an increase of 1.17% (305 people) compared to the population in 2021.

Population of Mercer Island by Race

Population by Race
  • Total
  • Hispanic
  • Non-Hispanic
Race
Population
Percentage

Population of Mercer Island by Age

Mercer Island Population Pyramid 2022
Mercer Island Median Age
45.9
Total
45.1
Male
46.5
Female
Mercer Island Sex Ratio
47.54%
12,274
Male
52.46%
13,546
Female
Mercer Island Age Dependency Ratio
36.9
Old Age Dependency Ratio
42.2
Child Dependency Ratio
Mercer Island Adults
19,739
Adults
(5,317 of whom are seniors) in Mercer Island.

Population of Mercer Island by Year

Year
PopulationGrowthAnnual Growth Rate
Streets