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Birch Bay, WA Demographics & ZIP Codes
Birch Bay, Washington demographics and median household income by ZIP code (in Whatcom County) — 1 ZIP codes — population 18,757 — median income $82,716 — avg. home value $467,900. Compare income, housing, and population across ZIP codes on US5.
Population
18,757
Median household income (avg.)
$82,716
110% of U.S. median
Average home value
$467,900
134% of U.S. median
Average rent
$1,143
98% of U.S. median
Median age (avg.)
44.4
Birch Bay demographics
Birch Bay, Washington covers 1 ZIP code primarily in Whatcom County, with a combined ZIP-area population of about 18,757.
Across ZIP codes with age data, the average median age is about 44.4 years.
Median household income in Birch Bay
The average median household income across ZIP codes in Birch Bay, Washington is about $82,716 — about 5% below the WA ZIP average ($87,083), and about 10% above the U.S. median ($75,149).
The highest median household income among listed ZIPs is about $82,716 in 98230.
Housing in Birch Bay
For housing in Birch Bay, Washington, the average median home value is about $467,900 and the average median rent is about $1,143.
The most populous ZIP in this set is 98230 (about 18,757 residents). Use the table below to compare population, income, and home values across codes.
ZIP codes in Birch Bay
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 98230 | Birch Bay | Whatcom County | WA | 18,757 | $82,716 | $467,900 |
Frequently asked questions
What are the demographics of Birch Bay?
Birch Bay, Washington has a combined ZIP-area population of about 18,757 across 1 ZIP codes (primarily Whatcom County). Browse the ZIP table below for population, income, and housing by code.
What is the median household income in Birch Bay?
The average median household income across ZIP codes in Birch Bay, Washington is about $82,716, about 5% below the state ZIP average ($87,083), and about 10% above the U.S. median ($75,149). Average median home value is about $467,900.
How many ZIP codes are in Birch Bay?
Birch Bay, 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 Birch Bay?
This page lists ZIP codes in Birch Bay, Washington with population, median household income, and home value. Select a ZIP for a full demographics profile.