Census Reporter

Mercer Island, WA

25,492 Population
6.4 square miles 3,994 people per square mile

Census data: ACS 2018 5-year unless noted

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Demographics

46 ±1.1 Median age
  • about 25 percent higher than the figure in the Seattle-Tacoma-Bellevue, WA Metro Area: 37 ±0.1
  • about 25 percent higher than the figure in Washington: 37.6 ±0.1

Economics

$88,203 ±$4,956 Per capita income
  • about double the amount in the Seattle-Tacoma-Bellevue, WA Metro Area: $43,190 ±$226
  • more than double the amount in Washington: $36,888 ±$168
$142,413 ±$9,696 Median household income
  • more than 1.5 times the amount in the Seattle-Tacoma-Bellevue, WA Metro Area: $82,189 ±$453
  • about double the amount in Washington: $70,116 ±$308

4.7% ±1.3% (1,190  ±319) Persons below poverty line
  • about half the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 9.6% 360,506 (±0.2% / ±6,223)
  • about two-fifths of the rate in Washington: 11.5% 821,621 (±0.2% / ±10,508)

25.2 minutes ±1.1 (264,770  ±16,897) Mean travel time to work
  • about 80 percent of the figure in the Seattle-Tacoma-Bellevue, WA Metro Area: 30.7 56,284,950 (±0.1 / ±293,905)
  • about 90 percent of the figure in Washington: 27.6 90,445,860 (±0.1 / ±353,130)

Families

10,123 ±242 Number of households
  • the Seattle-Tacoma-Bellevue, WA Metro Area: 1,473,063 ±3,410
  • Washington: 2,800,423 ±5,474
2.5 ±0.1 (25,359  ±63) Persons per household
  • about the same as the figure in the Seattle-Tacoma-Bellevue, WA Metro Area: 2.5 3,743,750 (±0 / ±1,465)
  • about the same as the figure in Washington: 2.6 7,151,776

4.3% ±1.5% (231  ±83) Women 15-50 who gave birth during past year
  • about 80 percent of the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 5.2% 49,429 (±0.2% / ±1,579)
  • about 80 percent of the rate in Washington: 5.4% 92,640 (±0.1% / ±2,270)

Housing

10,959 ±305 Number of housing units
  • the Seattle-Tacoma-Bellevue, WA Metro Area: 1,567,384 ±649
  • Washington: 3,064,381 ±679

$1,135,200 ±$38,379 Median value of owner-occupied housing units
  • more than double the amount in the Seattle-Tacoma-Bellevue, WA Metro Area: $397,000 ±$1,377
  • more than double the amount in Washington: $311,700 ±$1,121

17.9% ±2.6% (4,544  ±666) Moved since previous year
  • about the same as the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 18% 679,053 (±0.3% / ±9,536.5)
  • about the same as the rate in Washington: 17.8% 1,283,427 (±0.2% / ±13,174.9)

Social

98.1% ±3.9% (17,734  ±769) High school grad or higher
  • a little higher than the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 92.5% 2,455,535 (±0.4% / ±9,751.6)
  • about 10 percent higher than the rate in Washington: 91.1% 4,557,222 (±0.3% / ±14,138.2)
79% ±3.4% (14,296  ±667.6) Bachelor's degree or higher
  • nearly double the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 42% 1,115,762 (±0.2% / ±6,455.1)
  • more than double the rate in Washington: 35.3% 1,763,261 (±0.2% / ±8,486.2)

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

21% ±1.9% (5,344  ±472) Foreign-born population
  • about 20 percent higher than the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 18.2% 695,017 (±0.2% / ±5,625)
  • about 1.5 times the rate in Washington: 14% 1,020,981 (±0.1% / ±8,617)

7.5% ±1% (1,450  ±203) Population with veteran status
  • about 90 percent of the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 8.2% 242,815 (±0.1% / ±2,921)
  • about 80 percent of the rate in Washington: 9.6% 537,713 (±0.1% / ±4,231)
1,450 Total veterans ±203 1,363 Male ±207 87 Female ±49

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