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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

ZIP Codes for City of Oswego, KS

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Counties:LABETTE, KS
Area Code(s):620
Timezone(s):Central (GMT -06:00)
City Population:1,829 (More Details)
CBSA:Parsons, KS
Congressional District(s):02
Land Area:645 square miles (county)
Water Area:8 square miles (county)

1 ZIP Code

Oswego, KS ZIP Code Boundaries

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Oswego, KS Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Oswego, KS Demographic Information *

Total population**1,829
Male population908
Female population921
Median age (years)39.9
White Population1,670
Black Population28
Indian Population58
Asian Population1
Hawaiian Population0
Hispanic Population47
Median age (Male)35.9
Median age (Female)43
Total households763
Family households (families)476
Average household size2.3
Average family size2.9
Total housing units869
* Demographic data is based on 2010 Census for the City of OSWEGO.
** 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],