Data Last Updated: March 1, 2023

ZIP Codes for City of Griswold, IA


    
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Counties:	CASS, IA
Area Code(s):	712
Timezone(s):	Central (GMT -06:00)
City Population:	1,036 (More Details)
CBSA:	None
Congressional District(s):	03, 04
Land Area:	564 square miles (county)
Water Area:	1 square miles (county)

1 ZIP Code

Griswold, IA ZIP Code Boundaries

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Griswold, IA Covers 1 ZIP Code

ZIP Code	Type	Population	% of Population	Aliases
51535	Standard	1,923	100.00%

Griswold, IA Demographic Information *

Total population**	1,036
Male population	473
Female population	563
Median age (years)	44.9
White Population	1,010
Black Population	10
Indian Population	3
Asian Population	1
Hawaiian Population	0
Hispanic Population	11
Median age (Male)	43.1
Median age (Female)	45.6
Total households	445
Family households (families)	278
Average household size	2.25
Average family size	2.85
Total housing units	507

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