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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Oskaloosa, KS

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Area Code(s):785
Timezone(s):Central (GMT -06:00)
City Population:1,113 (More Details)
CBSA:Topeka, KS
Congressional District(s):02
Land Area:533 square miles (county)
Water Area:24 square miles (county)

1 ZIP Code

Oskaloosa, KS ZIP Code Boundaries

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Oskaloosa, KS Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Oskaloosa, KS Demographic Information *

Total population**1,113
Male population560
Female population553
Median age (years)39.3
White Population1,080
Black Population2
Indian Population9
Asian Population3
Hawaiian Population0
Hispanic Population10
Median age (Male)34.8
Median age (Female)42.5
Total households435
Family households (families)281
Average household size2.43
Average family size3.03
Total housing units480
* Demographic data is based on 2010 Census for the City of OSKALOOSA.
** 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],