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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

ZIP Codes for City of Saint Helena, CA

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Counties:NAPA, CA
Area Code(s):707
Timezone(s):Pacific (GMT -08:00)
City Population:5,814 (More Details)
Congressional District(s):04
Land Area:748 square miles (county)
Water Area:40 square miles (county)

1 ZIP Code

Saint Helena, CA ZIP Code Boundaries

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Saint Helena, CA Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Saint Helena, CA Demographic Information *

Total population**5,814
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 for the City of SAINT HELENA.
** 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],