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ZIP Code Database - Facts & Stats

Data Last Updated: February 1, 2023

ZIP Codes for City of Dubuque, IA

Dubuque, IA Covers 5 ZIP Codes

ZIP CodeTypeCountyPopulation
ZIP Code 52001StandardDubuque43,173
ZIP Code 52002StandardDubuque14,559
ZIP Code 52003StandardDubuque13,436
ZIP Code 52004P.O. BoxDubuque0
ZIP Code 52099UniqueDubuque0

Timezone(s):Central (GMT -06:00)
Counties:DUBUQUE, IA
Population:57,637 (More Details)
Male Population:27,910
Female Population:29,727
Median Age:38
ZIP Codes:5
Area Codes:1
Total Area:616 square miles (county)
Land Area:608 square miles (county)
Water Area:8 square miles (county)

Dubuque, IA Demographic Information *

Total population57,637
Male population27,910
Female population29,727
Median age (years)38
White Population52,869
Black Population2,302
Indian Population155
Asian Population659
Hawaiian Population268
Hispanic Population1,383
Median age (Male)35.3
Median age (Female)40.5
Total households23,506
Family households (families)13,888
Average household size2.28
Average family size2.92
Total housing units25,029
* Demographic data is based on 2010 Census. Products


  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],