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Mercer Island, WA

25,307 Population
6.4 square miles 3,965 people per square mile

Census data: ACS 2024 5-year unless noted

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Demographics

46.4 ±1.8 Median age
  • about 25 percent higher than the figure in the Seattle-Tacoma-Bellevue, WA Metro Area: 37.5 ±0.1
  • about 20 percent higher than the figure in Washington: 38.3 ±0.1

Economics

$128,615 ±$8,745 Per capita income
  • about double the amount in the Seattle-Tacoma-Bellevue, WA Metro Area: $63,994 ±$409
  • more than double the amount in Washington: $53,744 ±$274
$219,069 ±$17,476 Median household income
  • nearly double the amount in the Seattle-Tacoma-Bellevue, WA Metro Area: $115,177 ±$719
  • more than double the amount in Washington: $98,141 ±$414

3.8% ±0.9% (957  ±226) Persons below poverty line
  • about half the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 8.5% 341,005 (±0.2% / ±7,092)
  • about two-fifths of the rate in Washington: 9.9% 760,577 (±0.2% / ±11,694)

23.6 minutes ±3.1 (174,050  ±14,424) Mean travel time to work
  • about 80 percent of the figure in the Seattle-Tacoma-Bellevue, WA Metro Area: 29.2 46,776,328 (±0.1 / ±326,527)
  • about 90 percent of the figure in Washington: 26.6 80,794,790 (±0.1 / ±440,159)

Families

10,068 ±331 Number of households
  • the Seattle-Tacoma-Bellevue, WA Metro Area: 1,608,596 ±3,508
  • Washington: 3,064,820 ±5,874
2.5 ±0.1 (25,147  ±32) Persons per household
  • about the same as the figure in the Seattle-Tacoma-Bellevue, WA Metro Area: 2.5 3,989,134 (±0 / ±877)
  • about the same as the figure in Washington: 2.5 7,661,923

2.2% ±1.2% (116  ±63) Women 15-50 who gave birth during past year
  • about half the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 4.8% 48,571 (±0.2% / ±1,551)
  • about two-fifths of the rate in Washington: 5.1% 93,594 (±0.1% / ±2,360)

Housing

10,609 ±346 Number of housing units
  • the Seattle-Tacoma-Bellevue, WA Metro Area: 1,704,523 ±503
  • Washington: 3,306,620 ±517

N/A Median value of owner-occupied housing units

13.2% ±2.7% (3,329  ±687.5) Moved since previous year
  • about 80 percent of the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 15.5% 623,024 (±0.3% / ±10,862.4)
  • about 90 percent of the rate in Washington: 14.5% 1,119,329 (±0.2% / ±13,666.9)

Social

98.4% ±3.9% (17,939  ±855.2) High school grad or higher
  • a little higher than the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 93.4% 2,698,015 (±0.4% / ±12,768.1)
  • about 10 percent higher than the rate in Washington: 92.3% 5,060,127 (±0.3% / ±17,462.6)
81.5% ±3.4% (14,848  ±724.2) Bachelor's degree or higher
  • more than 1.5 times the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 47.2% 1,364,940 (±0.3% / ±8,425.4)
  • more than double the rate in Washington: 39.6% 2,172,536 (±0.2% / ±10,817.2)

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

26.4% ±2.5% (6,691  ±630) Foreign-born population
  • about 25 percent higher than the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 21% 853,800
  • more than 1.5 times the rate in Washington: 15.4% 1,206,843

4.6% ±1.1% (915  ±216) Population with veteran status
  • about three-quarters of the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 6.4% 203,419 (±0.1% / ±3,044)
  • about three-fifths of the rate in Washington: 7.8% 473,124 (±0.1% / ±4,854)
915 Total veterans ±216 876 Male ±213 39 Female ±32

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