In 2023, Black Diamond, WA had a population of 5.68k people with a median age of 38.1 and a median household income of $144,728. Between 2022 and 2023 the population of Black Diamond, WA grew from 5,314 to 5,678, a 6.85% increase and its median household income grew from $134,076 to $144,728, a 7.94% increase.
The 5 largest ethnic groups in Black Diamond, WA are White (Non-Hispanic) (73.8%), Asian (Non-Hispanic) (11.4%), Two+ (Hispanic) (6.64%), Two+ (Non-Hispanic) (4.28%), and Other (Hispanic) (2.04%).
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.
93.3% of the residents in Black Diamond, WA are U.S. citizens.
In 2023, the median property value in Black Diamond, WA was $776,400, and the homeownership rate was 87%.
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.