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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

ZIP Codes for City of Blaine, WA

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Counties:WHATCOM, WA
Area Code(s):360, 564
Timezone(s):Pacific (GMT -08:00)
City Population:4,684 (More Details)
CBSA:Bellingham, WA
Congressional District(s):01
Land Area:2,107 square miles (county)
Water Area:397 square miles (county)

2 ZIP Codes

Blaine, WA ZIP Code Boundaries

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Blaine, WA Covers 2 ZIP Codes

ZIP CodeTypePopulation% of PopulationAliases
98230Standard15,710100.00%BIRCH BAY
98231P.O. Box00.00%

Blaine, WA Demographic Information *

Total population**4,684
Male population2,302
Female population2,382
Median age (years)44.3
White Population4,051
Black Population64
Indian Population41
Asian Population240
Hawaiian Population59
Hispanic Population235
Median age (Male)42.7
Median age (Female)45.4
Total households1,994
Family households (families)1,291
Average household size2.32
Average family size2.85
Total housing units2,346
* Demographic data is based on 2010 Census for the City of BLAINE.
** City and ZIP Code Population will not be equal due to differences in their geographies.


  1. U.S. Postal Service [Last Updated: 2/1/2023],
  2. Internal Data Creation [Last Updated: 2/1/2023],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],