Data Last Updated: March 1, 2023

ZIP Codes for City of Spencer, IA


    
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Counties:	CLAY, IA
Area Code(s):	712
Timezone(s):	Central (GMT -06:00)
City Population:	11,233 (More Details)
CBSA:	Spencer, IA
Congressional District(s):	04
Land Area:	567 square miles (county)
Water Area:	5 square miles (county)

1 ZIP Code

Spencer, IA ZIP Code Boundaries

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Spencer, IA Covers 1 ZIP Code

ZIP Code	Type	Population	% of Population	Aliases
51301	Standard	12,691	100.00%

Spencer, IA Demographic Information *

Total population**	11,233
Male population	5,356
Female population	5,877
Median age (years)	41.5
White Population	10,779
Black Population	60
Indian Population	32
Asian Population	78
Hawaiian Population	1
Hispanic Population	390
Median age (Male)	39
Median age (Female)	44.2
Total households	5,018
Family households (families)	3,009
Average household size	2.19
Average family size	2.8
Total housing units	5,431

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