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Black Diamond, WA

5,961 Population
6.6 square miles 903.4 people per square mile

Census data: ACS 2024 5-year unless noted

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Demographics

38.1 ±3.9 Median age
  • about the same as the figure in the Seattle-Tacoma-Bellevue, WA Metro Area: 37.5 ±0.1
  • about the same as the figure in Washington: 38.3 ±0.1
  • about the same as the figure in United States: 38.9 ±0.1

Economics

$65,562 ±$6,944 Per capita income
  • about the same as the amount in the Seattle-Tacoma-Bellevue, WA Metro Area: $63,994 ±$409
  • about 25 percent higher than the amount in Washington: $53,744 ±$274
  • about 1.5 times the amount in United States: $44,673 ±$122
$141,383 ±$13,982 Median household income
  • about 25 percent higher than the amount in the Seattle-Tacoma-Bellevue, WA Metro Area: $115,177 ±$719
  • about 1.4 times the amount in Washington: $98,141 ±$414
  • more than 1.5 times the amount in United States: $80,734 ±$166

2.1% ±2.1% (125  ±124) Persons below poverty line
  • about one-quarter of the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 8.5% 341,005 (±0.2% / ±7,092)
  • about one-fifth of the rate in Washington: 9.9% 760,577 (±0.2% / ±11,694)
  • about one-fifth of the rate in United States: 12.5% 40,735,660 (±0.1% / ±275,861)

37.5 minutes ±2.2 (91,945  ±15,312) Mean travel time to work
  • about 1.3 times the figure in the Seattle-Tacoma-Bellevue, WA Metro Area: 29.2 46,776,328 (±0.1 / ±326,527)
  • about 1.4 times the figure in Washington: 26.6 80,794,790 (±0.1 / ±440,159)
  • about 1.4 times the figure in United States: 26.4 3,569,606,700 (±0 / ±5,719,373)

Families

2,316 ±153 Number of households
  • the Seattle-Tacoma-Bellevue, WA Metro Area: 1,608,596 ±3,508
  • Washington: 3,064,820 ±5,874
  • United States: 129,227,496 ±209,365
2.6 ±0.2 (5,961  ±26) Persons per household
  • a little higher than the figure in the Seattle-Tacoma-Bellevue, WA Metro Area: 2.5 3,989,134 (±0 / ±877)
  • a little higher than the figure in Washington: 2.5 7,661,923
  • about the same as the figure in United States: 2.5 326,722,430

8.1% ±5.2% (108  ±71) Women 15-50 who gave birth during past year
  • more than 1.5 times the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 4.8% 48,571 (±0.2% / ±1,551)
  • about 1.5 times the rate in Washington: 5.1% 93,594 (±0.1% / ±2,360)
  • about 1.5 times the rate in United States: 5.1% 4,009,203 (±0% / ±20,898)

Housing

2,442 ±157 Number of housing units
  • the Seattle-Tacoma-Bellevue, WA Metro Area: 1,704,523 ±503
  • Washington: 3,306,620 ±517
  • United States: 143,775,360 ±10,234

$779,100 ±$58,019 Median value of owner-occupied housing units
  • about 10 percent higher than the amount in the Seattle-Tacoma-Bellevue, WA Metro Area: $717,500 ±$2,514
  • about 1.4 times the amount in Washington: $564,600 ±$1,940
  • more than double the amount in United States: $332,700 ±$236

13.4% ±5% (787  ±291) Moved since previous year
  • about 90 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)
  • about 10 percent higher than the rate in United States: 12.3% 40,747,183 (±0% / ±136,530.8)

Social

97.7% ±9.7% (4,074  ±469.5) 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)
  • a little higher than the rate in Washington: 92.3% 5,060,127 (±0.3% / ±17,462.6)
  • about 10 percent higher than the rate in United States: 89.6% 206,814,894 (±0.1% / ±283,951.7)
54.7% ±7.2% (2,281  ±328.6) Bachelor's degree or higher
  • about 20 percent higher than the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 47.2% 1,364,940 (±0.3% / ±8,425.4)
  • about 1.4 times the rate in Washington: 39.6% 2,172,536 (±0.2% / ±10,817.2)
  • about 1.5 times the rate in United States: 35.7% 82,363,217 (±0.1% / ±182,857.7)

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

19% ±5.9% (1,131  ±351) Foreign-born population
  • about 90 percent of the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 21% 853,800
  • about 25 percent higher than the rate in Washington: 15.4% 1,206,843
  • about 1.3 times the rate in United States: 14.1% 47,349,080

5.9% ±2.6% (266  ±115) Population with veteran status
  • about 90 percent of the rate in the Seattle-Tacoma-Bellevue, WA Metro Area: 6.4% 203,419 (±0.1% / ±3,044)
  • about three-quarters of the rate in Washington: 7.8% 473,124 (±0.1% / ±4,854)
  • a little less than the rate in United States: 6.2% 16,185,883 (±0% / ±45,251)
266 Total veterans ±115 266 Male ±115 N/A Female ±19

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