Black Diamond, Washington | |
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Coordinates: 47°18′31.36″N 122°00′11.41″W / 47.3087111°N 122.0031694°W | |
Country | United States |
State | Washington |
County | King |
Established | mid-1880s |
Incorporated | February 19, 1959 |
Government | |
• Type | Mayor–council |
• Mayor | Carol Benson |
• Councilmembers | No. 1: Tamie Deady No. 2: Brad Douglass No. 3: Darcey Peterson No. 4: Leih Mulvihill No. 5: Kristiana de Leon No. 6: Nathan Jones No. 7: Debbie Page |
Area | |
• Total | 7.19 sq mi (18.65 km2) |
• Land | 6.60 sq mi (17.09 km2) |
• Water | 0.60 sq mi (1.54 km2) |
Elevation | 653 ft (199 m) |
Population | |
• Total | 4,697 |
• Estimate (2023)[5] | 6,602 |
• Density | 1,000.51/sq mi (386.29/km2) |
Time zone | UTC–8 (Pacific (PST)) |
• Summer (DST) | UTC–7 (PDT) |
ZIP Code | 98010 |
Area code(s) | 360 and 564 |
FIPS code | 53-06330 |
GNIS feature ID | 1516603[3] |
Website | blackdiamondwa.gov |
Black Diamond is a city in King County, Washington, United States. The population was 4,697 at the 2020 census.[4] In 2023, with a 40.6% growth rate,[5] Black Diamond was the fastest growing small city in King County.[6]
USCensusEst2023
was invoked but never defined (see the help page).