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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Tiffin, IA

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Counties:JOHNSON, IA
Area Code(s):319
Timezone(s):Central (GMT -06:00)
City Population:1,947 (More Details)
CBSA:Iowa City, IA
Congressional District(s):01
Land Area:614 square miles (county)
Water Area:9 square miles (county)

1 ZIP Code

Tiffin, IA ZIP Code Boundaries

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Tiffin, IA Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Tiffin, IA Demographic Information *

Total population**1,947
Male population952
Female population995
Median age (years)31.2
White Population1,792
Black Population49
Indian Population6
Asian Population31
Hawaiian Population1
Hispanic Population70
Median age (Male)30.7
Median age (Female)31.6
Total households800
Family households (families)488
Average household size2.43
Average family size3.04
Total housing units848
* Demographic data is based on 2010 Census for the City of TIFFIN.
** 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],