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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Saint Helena, CA

Saint Helena, CA Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 94574StandardNapa8,742707

Timezone(s):Pacific (GMT -08:00)
Counties:NAPA, CA
Population:5,814 (More Details)
Male Population:2,725
Female Population:3,089
Median Age:43
ZIP Codes:1
Area Codes:1
Total Area:789 square miles (county)
Land Area:748 square miles (county)
Water Area:40 square miles (county)

Saint Helena, CA Demographic Information *

Total population5,814
Male population2,725
Female population3,089
Median age (years)42.9
White Population4,525
Black Population25
Indian Population35
Asian Population98
Hawaiian Population9
Hispanic Population1,914
Median age (Male)40
Median age (Female)45.3
Total households2,401
Family households (families)1,440
Average household size2.38
Average family size3.03
Total housing units2,776
* 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],