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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2023

ZIP Codes for City of Baldwin City, KS

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Counties:DOUGLAS, KS
Area Code(s):785
Timezone(s):Central (GMT -06:00)
City Population:4,515 (More Details)
CBSA:Lawrence, KS
Congressional District(s):02, 03
Land Area:456 square miles (county)
Water Area:19 square miles (county)

1 ZIP Code

Baldwin City, KS ZIP Code Boundaries

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Baldwin City, KS Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Baldwin City, KS Demographic Information *

Total population**4,515
Male population2,192
Female population2,323
Median age (years)30.2
White Population4,215
Black Population95
Indian Population32
Asian Population23
Hawaiian Population1
Hispanic Population135
Median age (Male)28.3
Median age (Female)31.9
Total households1,501
Family households (families)1,011
Average household size2.54
Average family size3.08
Total housing units1,665
* Demographic data is based on 2010 Census for the City of BALDWIN CITY.
** 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],