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King County, WA

2,252,305 Population
2,115.6 square miles 1,064.6 people per square mile

Census data: ACS 2021 1-year unless noted

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Demographics

37.4 ±0.2 Median age
  • about the same as the figure in Washington: 38.2 ±0.1
  • a little less than the figure in United States: 38.8 ±0.1

Economics

$63,930 ±$1,222 Per capita income
  • about 1.4 times the amount in Washington: $46,177 ±$469
  • more than 1.5 times the amount in United States: $38,332 ±$79
$110,586 ±$1,926 Median household income
  • about 1.3 times the amount in Washington: $84,247 ±$844
  • about 1.5 times the amount in United States: $69,717 ±$134

9.4% ±0.6% (209,765  ±13,924) Persons below poverty line
  • a little less than the rate in Washington: 9.9% 754,315 (±0.3% / ±22,276)
  • about three-quarters of the rate in United States: 12.8% 41,393,176 (±0.1% / ±243,679)

27.2 minutes ±0.2 (19,813,590  ±465,422) Mean travel time to work
  • a little higher than the figure in Washington: 26 72,158,296 (±0.2 / ±828,119)
  • a little higher than the figure in United States: 25.6 3,247,967,500 (±0 / ±6,621,416)

Families

924,763 ±5,641 Number of households
  • Washington: 3,022,255 ±9,423
  • United States: 127,544,730 ±97,632
2.4 ±0 (2,215,173  ±3,094) Persons per household
  • a little less than the figure in Washington: 2.5 7,595,088 (±0)
  • a little less than the figure in United States: 2.5 324,132,900

4.4% ±0.5% (25,280  ±2,755) Women 15-50 who gave birth during past year
  • about 90 percent of the rate in Washington: 5% 90,722 (±0.3% / ±5,044)
  • about 90 percent of the rate in United States: 5.1% 3,922,188 (±0.1% / ±46,069)

Housing

985,324 ±1,425 Number of housing units
  • Washington: 3,257,140 ±888
  • United States: 142,148,050 ±4,219

$750,100 ±$10,373 Median value of owner-occupied housing units
  • about 1.5 times the amount in Washington: $485,700 ±$2,911
  • more than double the amount in United States: $281,400 ±$452

17.8% ±0.9% (396,212  ±19,084.3) Moved since previous year
  • about 20 percent higher than the rate in Washington: 15.4% 1,182,383 (±0.4% / ±31,900.1)
  • about 1.4 times the rate in United States: 12.8% 41,911,615 (±0.1% / ±181,549)

Social

93.9% ±1.2% (1,530,907  ±19,898.5) High school grad or higher
  • about the same as the rate in Washington: 92.4% 4,987,844 (±0.6% / ±34,589.5)
  • a little higher than the rate in United States: 89.4% 203,920,983 (±0.1% / ±264,625.2)
56.3% ±0.9% (918,422  ±13,978.8) Bachelor's degree or higher
  • about 1.5 times the rate in Washington: 39% 2,104,662 (±0.4% / ±20,737.3)
  • more than 1.5 times the rate in United States: 35% 79,903,463 (±0.1% / ±166,943.4)

29.9% ±0.8% (637,824  ±16,241) Persons with language other than English spoken at home
  • about 1.4 times the rate in Washington: 20.8% 1,520,637 (±0.3% / ±22,551.9)
  • about 1.4 times the rate in United States: 21.6% 67,754,440 (±0.1% / ±171,150.5)

25% ±0.6% (562,077  ±13,230) Foreign-born population
  • more than 1.5 times the rate in Washington: 14.8% 1,143,311 (±0.2% / ±17,692)
  • nearly double the rate in United States: 13.6% 45,270,104 (±0% / ±140,397)

4.9% ±0.3% (87,493  ±4,547) Population with veteran status
  • about three-fifths of the rate in Washington: 8.2% 490,717 (±0.2% / ±10,905)
  • about three-quarters of the rate in United States: 6.4% 16,501,502 (±0% / ±78,614)
87,493 Total veterans ±4,547 78,906 Male ±4,325 8,587 Female ±1,379

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