United States › Washington › Black Diamond CITY · 2020 ACS
Black Diamond Washington · 4,697 residents · 6.60 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2021 ACS 2022 ACS 2023 ACS 2024 ACS
The short version
Black Diamond is a city of 4,697 people in Washington. Owners hold 86% of the housing stock. The typical home is worth $464,300, having more than doubled since 2000. Households here earn about 44% more than in Washington as a whole. Median household income runs $111,250, well clear of the $66,278 US median. The poverty rate is 2.7%, under the national 12.8%.
At a glance
Wealthier
above the US median
US median: $66,278
Mid-age
median age 39.7
US median: 38.8
More educated
43% hold a bachelor's degree
US average: 33%
Less affordable
home values up 70%, inflation adjusted
US median home: $265,253
Section 01
Population & growth from 35.7 in 2000
US average: 38.8
Population, 1990 – 2024
968 2K 4K 5K 6K 1990 2000 2010 2020 2024 Black Diamond Age distribution, 2020
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Section 02
Income & economy $111,250
+10%inflation adjusted, since 2000
from $67,092 in 2000
US average: $66,278
from $26,936 in 2000
US average: $35,364
Households earning $100K+
from 57.0% in 2009
US average: 43.9%
from 0.9% in 2000
US average: 12.8%
Workforce by industry, 2020
Professional, scientific, technical 9.5%
Public administration 6.4%
Transportation & warehousing 4%
Arts, entertainment, food 1.7%
Education & health services 0.3%
Agriculture, forestry, fishing 0.3%
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$464,300
+70%inflation adjusted, since 2000
from $182,100 in 2000
US average: $265,253
$1,710
+30%inflation adjusted, since 2000
from $878 in 2000
US average: $1,124
from 90.1% in 2000
14.1% rent
2.53 people
−13%since 2009
from 2.90 people in 2009
US average: 2.61
from 3.8 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 91.9%(3,650)
Hispanic / Latino 2.7%(107)
2020
White, non-Hispanic 77.8%(3,655)
Hispanic / Latino 10.6%(497)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 14 more ancestry groups with data from 21.8% in 2000
US average: 32.9%
High school or higher
from 87.5% in 2000
US average: 88.5%
from 7.1% in 2000
US average: 12.7%
Section 06
Commute & transportation from 30.9 min in 2000
US average: 26.9
from 72.9% in 2009
US average: 75.1%
from 0.9% in 2009
US average: 8.4%
Section 07
Work & employment from 4.0% in 2011
US average: 5.4%
from 72.9% in 2011
US average: 63.4%
Women 20-64 in the labor force
US average: 73.3%
from 38.6% in 2009
US average: 39.3%
Section 08
People & community from 4.1% in 2009
US average: 13.5%
from 6.1% in 2013
US average: 8.8%
Computer in household
US average: 91.9%
Marital status (2024)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 6.1% in 2013
US average: 8.8%
Direct-purchase
US average: 13.7%
VA health care
US average: 2.3%
Any private
US average: 68.1%
Any public
US average: 35.2%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2020
Gulf War (2001 or later) 20.7%(49)
Gulf War (1990s) 10.5%(25)
Share of the 237 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
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Frequently asked
How many people live in Black Diamond, Washington? Black Diamond, Washington has about 4,697 residents according to the 2020 American Community Survey.
What is the median household income in Black Diamond, Washington? The typical household in Black Diamond, Washington earns about $111,250 a year. Half of households make more than that, and half make less.
Is Black Diamond, Washington expensive? In Black Diamond, Washington, the median home is worth about $464,300, and the typical rent is about $1,710 a month.
How educated are people in Black Diamond, Washington? About 42.9% of adults age 25 and over in Black Diamond, Washington hold a bachelor's degree or higher.
What is the poverty rate in Black Diamond, Washington? About 2.7% of people in Black Diamond, Washington live below the federal poverty line.
Has Black Diamond, Washington grown since 1990? Yes, Black Diamond, Washington has grown since 1990. The population has added about 3,275 residents, a change of about 230 percent over that period.
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