Blaine, WA ZIP codes
Blaine, Washington has 2 ZIP codes, including 1 PO Box ZIP. They are in Whatcom County.
- Population in these ZIPs
- 18,744
- Avg. median income
- $86,600population-weighted
- Typical home value
- $532,500population-weighted
- Metro area
- Bellingham, WA
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Blaine, WA ZIP codes list
| ZIP code | County | Population | Median income | Typical home value |
|---|---|---|---|---|
| 98230 | Whatcom County | 18,744 | $86,623 | $532,500 |
| 98231 PO Box | Whatcom County | — | — | — |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Cities near Blaine
- Custer 5 mi
- Ferndale 9 mi
- Lynden 12 mi
- Point Roberts 15 mi
- Nooksack 19 mi
- Bellingham 19 mi
- Lummi Island 19 mi
- Everson 19 mi
- Eastsound 23 mi
- Waldron 23 mi
- Olga 24 mi
- Sumas 24 mi
Frequently asked questions
What county is Blaine, Washington in?
Blaine ZIP codes are in Whatcom County.
Which Blaine ZIP codes are PO Boxes?
98231 is a PO Box or single-organization ZIP code; it has no residential delivery area.