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ZIP Code Database - Facts & Stats

Data Last Updated: May 1, 2022

ZIP Codes for City of Saint John, IN

Saint John, IN Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 46373StandardLake13,859219

Timezone(s):Central (GMT -06:00)
Counties:LAKE, IN
Population:14,850 (More Details)
Male Population:7,410
Female Population:7,440
Median Age:40
ZIP Codes:1
Area Codes:1
Total Area:627 square miles (county)
Land Area:499 square miles (county)
Water Area:128 square miles (county)

Saint John, IN Demographic Information *

Total population14,850
Male population7,410
Female population7,440
Median age (years)40.2
White Population13,892
Black Population199
Indian Population19
Asian Population187
Hawaiian Population10
Hispanic Population1,222
Median age (Male)39.6
Median age (Female)40.9
Total households5,047
Family households (families)4,225
Average household size2.94
Average family size3.25
Total housing units5,201
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 5/1/2022],
  2. Internal Data Creation [Last Updated: 5/1/2022],
  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],