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Black Diamond, WA Demographics & ZIP Codes
Black Diamond, Washington demographics and median household income by ZIP code (in King County) — 1 ZIP codes — population 6,351 — median income $148,692 — avg. home value $793,300. Compare income, housing, and population across ZIP codes on US5.
Population
6,351
Median household income (avg.)
$148,692
198% of U.S. median
Average home value
$793,300
228% of U.S. median
Average rent
$1,860
160% of U.S. median
Median age (avg.)
38.6
Black Diamond demographics
Black Diamond, Washington covers 1 ZIP code primarily in King County, with a combined ZIP-area population of about 6,351.
Across ZIP codes with age data, the average median age is about 38.6 years.
Median household income in Black Diamond
The average median household income across ZIP codes in Black Diamond, Washington is about $148,692 — about 71% above the WA ZIP average ($87,083), and about 98% above the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $148,692 in 98010.
Housing in Black Diamond
For housing in Black Diamond, Washington, the average median home value is about $793,300 and the average median rent is about $1,860.
The most populous ZIP in this set is 98010 (about 6,351 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Black Diamond
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 98010 | Black Diamond | King County | WA | 6,351 | $148,692 | $793,300 |
Frequently asked questions
What are the demographics of Black Diamond?
Black Diamond, Washington has a combined ZIP-area population of about 6,351 across 1 ZIP codes (primarily King County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Black Diamond?
The average median household income across ZIP codes in Black Diamond, Washington is about $148,692, about 71% above the state ZIP average ($87,083), and about 98% above the U.S. median ($75,149). Average median home value is about $793,300.
How many ZIP codes are in Black Diamond?
Black Diamond, Washington includes 1 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Black Diamond?
This page lists ZIP codes in Black Diamond, Washington with population, median household income, and home value. Select a ZIP for a full demographics profile.