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Mercer Island, WA

25,282 Population
6.4 square miles 3,961.1 people per square mile

Census data: ACS 2023 5-year unless noted

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Demographics

45.8 ±1.3 Median age
  • about 25 percent higher than the figure in the Seattle-Tacoma-Bellevue, WA Metro Area: 37.4 ±0.1
  • about 20 percent higher than the figure in Washington: 38.2 ±0.1

Economics

$120,120 ±$7,911 Per capita income
  • about double the amount in the Seattle-Tacoma-Bellevue, WA Metro Area: $61,286 ±$389
  • more than double the amount in Washington: $51,493 ±$245
$202,359 ±$21,101 Median household income
  • nearly double the amount in the Seattle-Tacoma-Bellevue, WA Metro Area: $112,594 ±$909
  • more than double the amount in Washington: $94,952 ±$476

4.6% ±1.3% (1,168  ±333) Persons below poverty line
  • about half the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 8.4% 332,072 (±0.2% / ±8,221)
  • about half the rate in Washington: 9.9% 753,455 (±0.2% / ±11,430)

25 minutes ±3.6 (190,600  ±19,025) Mean travel time to work
  • about 80 percent of the figure in the Seattle-Tacoma-Bellevue, WA Metro Area: 29.6 48,532,780 (±0.1 / ±305,413)
  • about 90 percent of the figure in Washington: 27 83,194,470 (±0.1 / ±402,464)

Families

9,893 ±310 Number of households
  • the Seattle-Tacoma-Bellevue, WA Metro Area: 1,586,350 ±3,413
  • Washington: 3,020,558 ±5,770
2.5 ±0.1 (25,134  ±27) Persons per household
  • about the same as the figure in the Seattle-Tacoma-Bellevue, WA Metro Area: 2.5 3,948,877 (±0 / ±709)
  • about the same as the figure in Washington: 2.5 7,588,019

3% ±1.8% (160  ±99) Women 15-50 who gave birth during past year
  • about three-fifths of the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 5.1% 50,647 (±0.2% / ±1,950)
  • about three-fifths of the rate in Washington: 5.3% 95,720 (±0.1% / ±2,435)

Housing

10,454 ±383 Number of housing units
  • the Seattle-Tacoma-Bellevue, WA Metro Area: 1,681,971 ±386
  • Washington: 3,262,667 ±447

$1,884,200 ±$63,726 Median value of owner-occupied housing units
  • more than double the amount in the Seattle-Tacoma-Bellevue, WA Metro Area: $673,500 ±$2,926
  • more than double the amount in Washington: $519,800 ±$2,550

14.1% ±2.9% (3,541  ±715.2) Moved since previous year
  • about 90 percent of the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 16% 636,506 (±0.3% / ±10,390.2)
  • about 90 percent of the rate in Washington: 15.1% 1,157,574 (±0.2% / ±13,781.2)

Social

98.1% ±3.8% (17,840  ±838.7) High school grad or higher
  • a little higher than the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 93.4% 2,660,423 (±0.4% / ±12,064.2)
  • a little higher than the rate in Washington: 92.2% 4,987,606 (±0.3% / ±16,795.6)
78.8% ±3.2% (14,326  ±688.9) Bachelor's degree or higher
  • more than 1.5 times the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 46.3% 1,319,923 (±0.3% / ±8,092.2)
  • about double the rate in Washington: 38.8% 2,097,154 (±0.2% / ±10,784.8)

N/A Persons with language other than English spoken at home

24.5% ±2.2% (6,194  ±559) Foreign-born population
  • about 20 percent higher than the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 20.4% 820,232
  • more than 1.5 times the rate in Washington: 15.1% 1,170,683

4.6% ±1% (900  ±196) Population with veteran status
  • about two-thirds of the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 6.7% 211,008 (±0.1% / ±3,479)
  • about three-fifths of the rate in Washington: 8.1% 486,714 (±0.1% / ±4,612)
900 Total veterans ±196 849 Male ±190 51 Female ±34

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