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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Mill Valley, CA

Mill Valley, CA Covers 2 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 94941StandardMarin30,496415 / 628
ZIP Code 94942P.O. BoxMarin0415 / 628

Timezone(s):Pacific (GMT -08:00)
Counties:MARIN, CA
Population:13,903 (More Details)
Male Population:6,399
Female Population:7,504
Median Age:47
ZIP Codes:2
Area Codes:2
Total Area:828 square miles (county)
Land Area:520 square miles (county)
Water Area:308 square miles (county)

Mill Valley, CA Demographic Information *

Total population13,903
Male population6,399
Female population7,504
Median age (years)46.6
White Population12,341
Black Population118
Indian Population23
Asian Population755
Hawaiian Population14
Hispanic Population622
Median age (Male)45.9
Median age (Female)47.3
Total households6,084
Family households (families)3,627
Average household size2.27
Average family size2.94
Total housing units6,534
* 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],