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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Letts, IA

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Counties:LOUISA, IA
Area Code(s):319
Timezone(s):Central (GMT -06:00)
City Population:384 (More Details)
Congressional District(s):01
Land Area:402 square miles (county)
Water Area:16 square miles (county)

1 ZIP Code

Letts, IA ZIP Code Boundaries

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Letts, IA Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Letts, IA Demographic Information *

Total population**384
Male population196
Female population188
Median age (years)37.3
White Population364
Black Population0
Indian Population2
Asian Population0
Hawaiian Population7
Hispanic Population20
Median age (Male)36
Median age (Female)40
Total households148
Family households (families)110
Average household size2.59
Average family size3.05
Total housing units153
* Demographic data is based on 2010 Census for the City of LETTS.
** 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],