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The total population of Black Diamond is estimated to be 5,314 with 2,904 males (54.65%) and 2,410 females (45.35%). There are 494 less females than males in Black Diamond.
The median household income in Black Diamond was $127,699 in 2021, which marked an an increase of 1,637(1.30%) from $126,062 in 2020. This income is 171.16% of the U.S. median household income of $74,606 (all incomes in 2022 inflation-adjusted dollars).
Per the latest American Community Survey by the Census Bureau, Black Diamond sees its highest median household income among householders in the age group of 25 to 44 years old, at $144,771. Overall, the median household income for the city of Black Diamond stands at $127,699.
In Black Diamond, the median income for all workers aged 15 years and older, regardless of work hours, was $79,802 for males and $39,442 for females. However, when specifically considering full-time, year-round workers within the same age group, the median income was $111,604 for males and $73,322 for females.
In Black Diamond, there are just two different racial groups among households. Among these, Asian households report a median household income of $192,024, while White households have a median household income of $128,924.
In 2022, the population of Black Diamond was 6,336, a 8.53% increase year-by-year from 2021. Previously, in 2021, Black Diamond's population was 5,838, an increase of 20.45% compared to a population of 4,847 in 2020.
The median age in Black Diamond, WA is 39.0, as per 2021 ACS 5-Year Estimates. Of the total population, 21.03% were under the age of 15, 13.13% aged 15 to 29, 52.30% aged 30 to 64, 11.74% aged 65 to 84, and 1.80% were 85 years of age and older.
Racial distribution of Black Diamond population: 81.33% are White, 0.96% are Black or African American, 0.10% are American Indian and Alaska Native, 6.94% are Asian, 3.70% are some other race and 6.98% are multiracial.