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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Millbrae, CA

Millbrae, CA Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 94030StandardSan Mateo21,536650

Timezone(s):Pacific (GMT -08:00)
Counties:SAN MATEO, CA
Population:21,532 (More Details)
Male Population:10,201
Female Population:11,331
Median Age:45
ZIP Codes:1
Area Codes:1
Total Area:741 square miles (county)
Land Area:448 square miles (county)
Water Area:292 square miles (county)

Millbrae, CA Demographic Information *

Total population21,532
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. Products


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  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],