In 2021, Black Diamond, WA had a population of 5k people with a median age of 39 and a median household income of $118,140. Between 2020 and 2021 the population of Black Diamond, WA grew from 4,703 to 5,002, a 6.36% increase and its median household income grew from $111,250 to $118,140, a 6.19% increase.
The 5 largest ethnic groups in Black Diamond, WA are White (Non-Hispanic) (80.8%), Asian (Non-Hispanic) (6.94%), Two+ (Hispanic) (4.1%), Two+ (Non-Hispanic) (2.88%), and Other (Hispanic) (2.86%).
None of the households in Black Diamond, WA reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.
94.9% of the residents in Black Diamond, WA are U.S. citizens.
In 2021, the median property value in Black Diamond, WA was $609,200, and the homeownership rate was 84.5%.
Most people in Black Diamond, WA drove alone to work, and the average commute time was 36.8 minutes. The average car ownership in Black Diamond, WA was 2 cars per household.