Data Last Updated: June 1, 2023

ZIP Codes for City of Saint John, IN


    
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Counties:	LAKE, IN
Area Code(s):	219
Timezone(s):	Central (GMT -06:00)
City Population:	14,850 (More Details)
CBSA:	Chicago-Naperville-Elgin, IL-IN-WI
Congressional District(s):	01
Land Area:	499 square miles (county)
Water Area:	128 square miles (county)

1 ZIP Code

Saint John, IN ZIP Code Boundaries

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Saint John, IN Covers 1 ZIP Code

ZIP Code	Type	Population	% of Population	Aliases
46373	Standard	13,859	100.00%	ST JOHN

Saint John, IN Demographic Information *

Total population**	14,850
Male population	7,410
Female population	7,440
Median age (years)	40.2
White Population	13,892
Black Population	199
Indian Population	19
Asian Population	187
Hawaiian Population	10
Hispanic Population	1,222
Median age (Male)	39.6
Median age (Female)	40.9
Total households	5,047
Family households (families)	4,225
Average household size	2.94
Average family size	3.25
Total housing units	5,201

* Demographic data is based on 2010 Census for the City of SAINT JOHN.
** City and ZIP Code Population will not be equal due to differences in their geographies.

References

U.S. Postal Service [Last Updated: 2/1/2023], https://www.usps.com
ZIP-Codes.com Internal Data Creation [Last Updated: 2/1/2023], https://www.zip-codes.com
U.S. Geological Survey [Updated as needed], https://www.usgs.gov/
U.S. Census [Updated Yearly], https://www.census.gov
U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010], https://www.census.gov