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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2023

ZIP Codes for City of Greenfield, CA

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Area Code(s):831
Timezone(s):Pacific (GMT -08:00)
City Population:3,991 (More Details)
CBSA:Salinas, CA
Congressional District(s):18
Land Area:3,281 square miles (county)
Water Area:491 square miles (county)

1 ZIP Code

Greenfield, CA ZIP Code Boundaries

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Greenfield, CA Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Greenfield, CA Demographic Information *

Total population**3,991
Male population2,056
Female population1,935
Median age (years)34.4
White Population2,512
Black Population71
Indian Population63
Asian Population45
Hawaiian Population1
Hispanic Population2,263
Median age (Male)33.1
Median age (Female)35.8
Total households1,244
Family households (families)964
Average household size3.21
Average family size3.63
Total housing units1,358
* Demographic data is based on 2010 Census for the City of GREENFIELD.
** 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],