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Black Diamond, Washington

Black Diamond city, Washington · ACS 2024 5-year estimates · CBP 2023

Small townHigher incomeGrowingKing County · 6.6 sq mi

Comparison group
Trajectory · BLACK DIAMOND, WA

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Historical Doppelgängers

Where has Black Diamond looked like this before?

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Key statistics vs peer group
Metric2010–2025Black DiamondPeer medianPctileSource
Population5,9616,13127
Population change (10 yr)n/an/a
Median household income$141,383$135,06864
Poverty rate2.1%3.0%18
Bachelor's degree or higher54.7%54.6%55
Housing unit change (10 yr)n/an/a
Median owner-occupied home value$779,100$476,50091
Median gross rent$1,453$1,64127
Housing vacancy rate5.2%3.8%64
Worked from home24.9%19.3%82
Population, 2012–2024
Black DiamondPeer median
Median household income, 2012–2024
Black DiamondPeer median
Change between releases
Metric2012201920192024Peer median, latest span
Population
Housing units
Median household income
Median owner-occupied home value
Median gross rent
Bachelor's degree or higher
Worked from home
Poverty rate
Establishment density · King County, per 10k residents
Restaurants & bars27.9US 21.3above US rate
Grocery & food retail4.1US 4.8below US rate
Other retail0.0US n/anot published
Personal & repair services11.3US 8.1above US rate
Professional & technical services48.3US 29.5above US rate
Ambulatory health care25.0US 21.0above US rate
Arts, entertainment & recreation5.9US 5.0above US rate
Accommodation1.6US 2.1below US rate
Construction29.6US 24.3above US rate
Manufacturing0.0US n/anot published
Peer snapshot · 10 places
PlaceSimilarityPopulationPop change 10yIncomeBA or higher
Leonardtown, MD814,808$153,81954.7%
Union, KY807,642$136,71258.9%
Hickory Creek, TX805,611$148,85247.6%
Asbury, IA795,989$124,95750.4%
Mead, CO795,919$125,35750.3%
Elburn, IL776,354$127,73155.6%
Fruit Heights, UT776,023$140,67954.7%
Corcoran, MN777,302$133,42354.6%
Byron, MN776,646$124,01048.2%
Carver, MN776,239$147,69765.4%