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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

ZIP Codes for City of Duncan, AZ

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Area Code(s):928
Timezone(s):Mountain (GMT -07:00)
City Population:696 (More Details)
Congressional District(s):06
Land Area:1,843 square miles (county)
Water Area:5 square miles (county)

1 ZIP Code

Duncan, AZ ZIP Code Boundaries

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Duncan, AZ Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Duncan, AZ Demographic Information *

Total population**696
Male population359
Female population337
Median age (years)42.5
White Population563
Black Population8
Indian Population12
Asian Population0
Hawaiian Population1
Hispanic Population235
Median age (Male)41.9
Median age (Female)43.9
Total households289
Family households (families)184
Average household size2.41
Average family size2.97
Total housing units398
* Demographic data is based on 2010 Census for the City of DUNCAN.
** 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],