Black Diamond, WA
Population 5,678 · Washington
About Black Diamond, WA
Black Diamond is a small town located in Washington with a population of 5,678 residents according to the latest US Census Bureau American Community Survey data. The median household income is $144,728 per year, which is 93% above the national median of $75,149. The median age of 38.1 years is close to the US median age of 38.9 years.
Housing Market Overview
The housing market in Black Diamond features a median home value of $776,400, which is 217% above the national median of $244,900. This places Black Diamond in a higher-cost housing market, where property demand often outpaces supply. Median monthly rent is $2,340, 101% above the national average of $1,163/month. Of the 2,296 total housing units, 87% are owner-occupied (1,897 units) and 13% are renter-occupied (284 units). The high homeownership rate suggests a stable, established residential community.
Economy & Employment
The local economy in Black Diamond shows an unemployment rate of 1.1%, which is lower than the national rate of 3.7%, indicating a relatively strong job market. The poverty rate stands at 1.1%, below the national average of 12.4%, reflecting generally favorable economic conditions. Workers in Black Diamond have an average one-way commute time of 36.8 minutes, suggesting many residents commute to jobs in a nearby metro area.
Education & Demographics
56.5% of Black Diamond residents aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. This significantly higher educational attainment rate often correlates with access to knowledge-economy jobs and higher household incomes. The community's demographic composition includes 2.1% White, 0.0% Hispanic or Latino, 0.2% Black or African American, and 7.1% Asian residents, with 15.7% of the population being foreign-born.
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.
Compare Black Diamond With Other Cities
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 US Census Bureau American Community Survey estimates. This makes it a small town in Washington.
What is the median household income in Black Diamond?
The median household income in Black Diamond, WA is $144,728 per year, which is 93% above the national median of $75,149.
What is the median home value in Black Diamond?
The median home value in Black Diamond, WA is $776,400, which is 217% above the national median of $244,900. The majority of housing units are owner-occupied.
What is the average rent in Black Diamond?
The median monthly rent in Black Diamond, WA is $2,340, which is 101% above the national average of $1,163/month.
What is the unemployment rate in Black Diamond?
The unemployment rate in Black Diamond, WA is 1.1%, compared to the national average of 3.7%. This lower-than-average rate suggests a relatively healthy local job market.
Is Black Diamond, WA a good place to live?
Black Diamond offers above-average incomes, a competitive housing market, and a strong job market. With a population of 5,678 and a median age of 38.1, the city appeals to a broad range of residents.
How educated is Black Diamond, WA?
56.5% of residents in Black Diamond aged 25 and older hold a bachelor's degree or higher, compared to the national average of 33.7%. This above-average educational attainment often reflects a knowledge-based local economy.
What is the cost of living in Black Diamond?
Key cost-of-living indicators for Black Diamond, WA: median home value is $776,400 (217% above national), median rent is $2,340/month, and median household income is $144,728. The home-value-to-income ratio is 5.4x, a moderate figure by national standards.
What is the poverty rate in Black Diamond?
The poverty rate in Black Diamond, WA is 1.1%, compared to the national average of 12.4%. This below-average poverty rate reflects generally favorable economic conditions in the community.
How diverse is Black Diamond, WA?
Black Diamond's population is 2.1% White, 0.0% Hispanic or Latino, 0.2% Black or African American, 7.1% Asian, and 0.4% two or more races. 15.7% of residents are foreign-born.