Data Last Updated: March 1, 2023

ZIP Codes for City of Sioux City, IA


    
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Counties:	WOODBURY, IA
Area Code(s):	712
Timezone(s):	Central (GMT -06:00)
City Population:	82,684 (More Details)
CBSA:	Sioux City, IA-NE-SD
Congressional District(s):	04
Land Area:	873 square miles (county)
Water Area:	5 square miles (county)

9 ZIP Codes

Sioux City, IA ZIP Code Boundaries

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Sioux City, IA Covers 9 ZIP Codes

ZIP Code	Type	Population	% of Population	Aliases
51101	Standard	809	0.94%	WICKHAM SPUR
51102	P.O. Box	0	0.00%
51103	Standard	17,453	20.32%
51104	Standard	22,104	25.74%
51105	Standard	10,216	11.90%
51106	Standard	26,544	30.91%
51108	Standard	5,566	6.48%	JAMES
51109	Standard	3,098	3.61%	BLVD STATION
51111	Standard	94	0.11%

Sioux City, IA Demographic Information *

Total population**	82,684
Male population	40,643
Female population	42,041
Median age (years)	33.7
White Population	66,641
Black Population	2,371
Indian Population	2,134
Asian Population	2,258
Hawaiian Population	102
Hispanic Population	13,598
Median age (Male)	32.4
Median age (Female)	35.1
Total households	31,571
Family households (families)	20,144
Average household size	2.54
Average family size	3.14
Total housing units	33,425

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