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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2023

ZIP Codes for City of Millbrae, CA

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Counties:SAN MATEO, CA
Area Code(s):650
Timezone(s):Pacific (GMT -08:00)
City Population:21,532 (More Details)
CBSA:San Francisco-Oakland-Berkeley, CA
Congressional District(s):15
Land Area:448 square miles (county)
Water Area:292 square miles (county)

1 ZIP Code

Millbrae, CA ZIP Code Boundaries

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Millbrae, CA Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Millbrae, CA Demographic Information *

Total population**21,532
Male population10,201
Female population11,331
Median age (years)44.8
White Population10,177
Black Population179
Indian Population33
Asian Population9,205
Hawaiian Population214
Hispanic Population2,555
Median age (Male)43.2
Median age (Female)46.1
Total households7,994
Family households (families)5,726
Average household size2.65
Average family size3.15
Total housing units8,372
* Demographic data is based on 2010 Census for the City of MILLBRAE.
** 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],