Black Diamond, Washington
Quick Statistics
Black Diamond is a community in King County, Washington, home to about 5,961 people spread across 6.6 square miles of land. The median personal income here is $78,169 a year, and a typical home is worth about $779,100. About 66.5% of adults hold a college degree, and 94.2% of residents under 65 have health insurance. The population has grown about 44 percent over the past decade.
See how Black Diamond has changed over the past 15 years »
Among the Washington towns GeoStat tracks, Black Diamond ranks number 183 of 628 in population, number 66 in median household income, number 80 in median home value. See how it stacks up on the trends page or compare it with another town.
Summers around Black Diamond typically top out near 70°F in July, while January nights average about 32°F. The area sees roughly 42 inches of snow a year. Full normals are on the climate page.
| # | Town | Distance | Population |
|---|---|---|---|
| 1. | Ravensdale, WA | 3.7 mi. | 198 |
| 2. | Maple Valley, WA | 3.7 mi. | 28,287 |
| 3. | Lake Morton-Berrydale, WA | 4.2 mi. | 11,183 |
| 4. | Lake Holm, WA | 5.3 mi. | 3,555 |
| 5. | Covington, WA | 5.3 mi. | 21,233 |
| 6. | Hobart, WA | 6.7 mi. | 6,552 |
| 7. | Shadow Lake, WA | 6.9 mi. | 2,465 |
| 8. | Enumclaw, WA | 7.9 mi. | 12,798 |
What is the population of Black Diamond, Washington?
Black Diamond has a population of about 5,961 people, according to the latest Census Bureau estimates.
What county is Black Diamond, Washington in?
Black Diamond is located in King County, Washington.
What is the median home value in Black Diamond, Washington?
The median home value in Black Diamond is about $779,100, based on American Community Survey data.
What is the median income in Black Diamond, Washington?
The median personal income in Black Diamond is about $78,169 per year.
How many tornadoes have hit near Black Diamond, Washington?
Since 1950, 5 tornadoes have been recorded in King County. See the tornado page for maps and details of each one.
What is the weather like in Black Diamond, Washington?
Typical July highs run about 70 degrees and January lows about 32 degrees, with around 42 inches of snow a year. Figures are 30-year NOAA climate normals.
Use the menu on the left to find more detailed statistics on Black Diamond, Washington.