Data Last Updated: June 1, 2023

ZIP Codes for City of Johnston, IA


    
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Counties:	POLK, IA
Area Code(s):	515
Timezone(s):	Central (GMT -06:00)
City Population:	17,278 (More Details)
CBSA:	Des Moines-West Des Moines, IA
Congressional District(s):	03
Land Area:	574 square miles (county)
Water Area:	18 square miles (county)

1 ZIP Code

Johnston, IA ZIP Code Boundaries

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Johnston, IA Covers 1 ZIP Code

ZIP Code	Type	Population	% of Population	Aliases
50131	Standard	17,499	100.00%	CAMP DODGE, URBANDALE

Johnston, IA Demographic Information *

Total population**	17,278
Male population	8,458
Female population	8,820
Median age (years)	36.9
White Population	15,727
Black Population	376
Indian Population	13
Asian Population	800
Hawaiian Population	3
Hispanic Population	350
Median age (Male)	35.4
Median age (Female)	38.1
Total households	6,369
Family households (families)	4,720
Average household size	2.67
Average family size	3.14
Total housing units	6,618

* Demographic data is based on 2010 Census for the City of JOHNSTON.
** 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