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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Bernard, IA

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Counties:DUBUQUE, IA
Area Code(s):563
Timezone(s):Central (GMT -06:00)
City Population:112 (More Details)
CBSA:Dubuque, IA
Congressional District(s):01, 02
Land Area:608 square miles (county)
Water Area:8 square miles (county)

1 ZIP Code

Bernard, IA ZIP Code Boundaries

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Bernard, IA Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Bernard, IA Demographic Information *

Total population**112
Male population58
Female population54
Median age (years)32.5
White Population112
Black Population0
Indian Population0
Asian Population0
Hawaiian Population0
Hispanic Population0
Median age (Male)28
Median age (Female)38
Total households50
Family households (families)27
Average household size2.24
Average family size3.07
Total housing units56
* Demographic data is based on 2010 Census for the City of BERNARD.
** 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],