Birch Bay, WA ZIP Codes
One ZIP code serves Birch Bay, Washington: 98230. Together they are home to 18,744 residents in 7,976 households. That is more than the 10,837 people counted inside Birch Bay Census-designated place, because these ZIP codes reach past its boundary.
Birch Bay Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 10,837 |
| Households | 4,661 |
| Median household income | $86,854 |
| Median home value | $477,200 |
| Median age | 44.6 |
| Median rent | $1,222 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 18,744 |
| Households (sum of ZIP codes) | 7,976 |
| Median household income, range across ZIP codes | $86,623 (98230) to $86,623 (98230) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $86,623 |
| Homeowners | 79.6% |
| Households with kids under 18 | 27.7% |
| Moved in the past year | 10.9% |
| Carrier routes in EDDM2GO's route library | 18 routes, 9,817 homes (1 of 1 ZIP codes) |
Every ZIP code in Birch Bay
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 98230 | Blaine | 18,744 | 7,976 | $86,623 | $499,800 | 79.6% | 27.7% | 10.9% | 18 | 10,279 | 40% of its land |
A ZIP code is listed for Birch Bay when at least 10% of its land lies inside the Birch Bay Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Birch Bay. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Birch Bay.
Counties
- Whatcom County — 17 ZIP codes
Nearby cities sharing these ZIP codes
- Blaine — 1 ZIP code
Price a mailing to Birch Bay ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Birch Bay, WA?
- 98230. A ZIP code is listed for Birch Bay when at least 10% of its land lies inside the Birch Bay Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Birch Bay.
- What is the population of Birch Bay, WA?
- The Census Bureau counts 10,837 residents inside Birch Bay Census-designated place (ACS 2020–2024). The 1 ZIP code that serve Birch Bay hold 18,744 residents in all.
- What is the median household income in Birch Bay, WA?
- $86,854 inside Birch Bay Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $86,623 to $86,623.
- How many carrier routes and mailboxes are in Birch Bay, WA?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 18 carrier routes reaching 9,817 residential and 459 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.