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ZIP Code Database - Facts & Stats

Data Last Updated: October 1, 2021

ZIP Codes for City of Oskaloosa, IA

Oskaloosa, IA Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 52577StandardMahaska15,055641

Timezone(s):Central (GMT -06:00)
Counties:MAHASKA, IA
Population:11,463 (More Details)
Male Population:5,597
Female Population:5,866
Median Age:36
ZIP Codes:1
Area Codes:1
Total Area:573 square miles (county)
Land Area:571 square miles (county)
Water Area:3 square miles (county)

Oskaloosa, IA Demographic Information *

Total population11,463
Male population5,597
Female population5,866
Median age (years)35.8
White Population10,696
Black Population229
Indian Population31
Asian Population196
Hawaiian Population2
Hispanic Population270
Median age (Male)32.8
Median age (Female)38.7
Total households4,715
Family households (families)2,842
Average household size2.3
Average family size2.92
Total housing units5,144
* Demographic data is based on 2010 Census.

Oskaloosa, IA Other Information

  • Located in MAHASKA County, Iowa
  • Oskaloosa, IA is also known as:
    • EVANS, IA
    • WRIGHT, IA

72 Cities within 30 miles of Oskaloosa, IA Products


  1. U.S. Postal Service [Last Updated: 10/1/2021],
  2. Internal Data Creation [Last Updated: 10/1/2021],
  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],