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BG 3, Tract 315.01, King, WA

1,222 Population
11.2 square miles 108.8 people per square mile

Census data: ACS 2024 5-year unless noted

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Demographics

43.8 ±11.1 Median age
  • about 20 percent higher than the figure in Black Diamond: 38.1 † ±3.9
  • about 20 percent higher than the figure in King County: 37.4 ±0.2

Economics

$69,799 ±$21,120 Per capita income
  • a little higher than the amount in Black Diamond: $65,562 † ±$6,944
  • a little less than the amount in King County: $74,100 ±$589
$168,182 ±$68,209 Median household income
  • about 20 percent higher than the amount in Black Diamond: $141,383 ±$13,982
  • about 1.4 times the amount in King County: $124,746 ±$968

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Families

450 ±130 Number of households
  • Black Diamond: 2,316 ±153
  • King County: 941,054 ±2,581
2.7 ±0.2 (1,222  ±367) Persons per household
  • a little higher than the figure in Black Diamond: 2.6 5,961 (±0.2 / ±26)
  • about 10 percent higher than the figure in King County: 2.4 2,246,245 (±0 / ±564)

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Housing

510 ±122 Number of housing units
  • Black Diamond: 2,442 ±157
  • King County: 1,003,284 ±329

$740,200 ±$232,492 Median value of owner-occupied housing units
  • a little less than the amount in Black Diamond: $779,100 ±$58,019
  • about 90 percent of the amount in King County: $859,900 ±$4,853

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Social

83.6% ±29.4% (808  ±198.9) High school grad or higher
  • about 90 percent of the rate in Black Diamond: 97.7% 4,074 (±9.7% / ±469.5)
  • about 90 percent of the rate in King County: 93.8% 1,555,020
28.4% ±7.8% (274  ±101.7) Bachelor's degree or higher
  • about half the rate in Black Diamond: 54.7% † 2,281 (±7.2% / ±328.6)
  • about half the rate in King County: 56.7% 940,516

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

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5.4% ±3.2% (59  ±39) Population with veteran status
  • about 90 percent of the rate in Black Diamond: 5.9% † 266 (±2.6% / ±115)
  • about 20 percent higher than the rate in King County: 4.5% 82,668 (±0.1% / ±2,079)
59 Total veterans ±39 47 Male ±28 12 Female ±18

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