Median Household Income
$141,383 ± $13,982
Median Home Value
$779,100 ± $58,019
Median Gross Rent
$1,453 ± $1,098/mo
Per Capita Income
$65,562
Poverty Rate
2.1%
Unemployment Rate
1.3%
Homeownership Rate
86.0%
Bachelor's Degree or Higher
54.7%
Median Age
38.1
Average Commute
28 min
Households
2,316
Veterans
266
Population Over Time
Black Diamond grew 40.0% from 2014 to 2024.
2014
4,257
2016
4,321
2018
4,434
2020
4,703
2022
5,314
2024
5,961
Population by Race & Ethnicity
White
67.8%
Hispanic or Latino
7.9%
Black or African American
0.4%
Asian
17.9%
Nearby Cities in Washington
Source: U.S. Census Bureau, American Community Survey, ACS 2020-2024. Estimates carry a margin of error (shown as ±) inherent to ACS's sample-based methodology.