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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Delmar, IA

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Counties:CLINTON, IA
Area Code(s):563
Timezone(s):Central (GMT -06:00)
City Population:525 (More Details)
CBSA:Clinton, IA
Congressional District(s):01
Land Area:695 square miles (county)
Water Area:15 square miles (county)

1 ZIP Code

Delmar, IA ZIP Code Boundaries

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Delmar, IA Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases
52037Standard1,223100.00%NORTH WELTON

Delmar, IA Demographic Information *

Total population**525
Male population261
Female population264
Median age (years)38.5
White Population509
Black Population8
Indian Population1
Asian Population1
Hawaiian Population0
Hispanic Population8
Median age (Male)36.4
Median age (Female)41.4
Total households213
Family households (families)145
Average household size2.46
Average family size3.03
Total housing units227
* Demographic data is based on 2010 Census for the City of DELMAR.
** 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],