Black Diamond, WA
Population 5,678 · Washington
About Black Diamond, WA
Black Diamond is a small community in Washington with a population of 5,678 residents. The median household income is $144,728 per year, which is above the national average. The median age in Black Diamond is 38.1 years.
Housing in Black Diamond has a median home value of $776,400 and median monthly rent of $2,340. Of the 2,296 total housing units, the majority are owner-occupied, with 1,897 owner-occupied and 284 renter-occupied units.
The unemployment rate in Black Diamond is 1.1% and the poverty rate is 1.1%. 56.5% of residents hold a bachelor's degree or higher. The average commute time is 36.8 minutes.
How Black Diamond Ranks in Washington
Cost of Living in Black Diamond, WA
Compared to national averages, Black Diamond has a median household income of $144,728 (93% above the national median of $75,149). Home values average $776,400, which is 217% above the national median. Monthly rent at $2,340 is 101% above the US average of $1,163. Within Washington, Black Diamond's income is 59% above the state average of $90,795, and home values are 69% above the state median of $460,491.
Why Live in Black Diamond, WA?
Black Diamond offers a strong local economy with a median household income of $144,728, well above the national average, and a strong job market with an unemployment rate of just 1.1%, and a well-educated community where 56.5% of residents hold a bachelor’s degree or higher. Additionally, the city features a low poverty rate of 1.1%, better than the national average.
Potential considerations include a competitive housing market where the typical home costs $776,400. However, Black Diamond’s smaller community size offers a quieter lifestyle and tight-knit neighborhoods.
Black Diamond has a population of 5,678 with a median age of 38.1 years. Compare Black Diamond with other cities to see how it stacks up, or explore all cities in Washington.
Similar Cities Near Black Diamond
Cities in Washington with a similar population size.
| City | Population | Median Income | Home Value | |
|---|---|---|---|---|
| West Clarkston-Highland | 5,678 | $52,406 | $253,200 | Compare |
| Lake Goodwin | 5,682 | $104,028 | $670,200 | Compare |
| Tracyton | 5,658 | $87,064 | $435,400 | Compare |
| Finley | 5,734 | $87,824 | $296,900 | Compare |
| Maplewood | 5,766 | $129,659 | $657,400 | Compare |
| Suncrest | 5,590 | $101,964 | $469,600 | Compare |
| Sultan | 5,770 | $85,278 | $455,500 | Compare |
| East Port Orchard | 5,581 | $72,639 | $394,100 | Compare |
Demographics
Racial & Ethnic Composition
Economy & Education
Housing
Other Cities in Washington
Data source: US Census Bureau ACS 5-Year Estimates. Last updated: 2026-04-05.
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Frequently Asked Questions about Black Diamond
What is the population of Black Diamond, WA?
The population of Black Diamond, WA is 5,678 according to the latest Census data.
What is the median household income in Black Diamond?
The median household income in Black Diamond, WA is $144,728 per year.
What is the median home value in Black Diamond?
The median home value in Black Diamond, WA is $776,400.
What is the average rent in Black Diamond?
The median monthly rent in Black Diamond, WA is $2,340.
What is the unemployment rate in Black Diamond?
The unemployment rate in Black Diamond, WA is 1.1%.