US ZIP Codes → IA → SIOUX CITY

SIOUX CITY, IA ZIP Code

City	SIOUX CITY
State	Iowa
ZIP Codes count	9 (see all)
Post offices count	1 (see all)
Total population	82,486 (see all)

ZIP Codes for SIOUX CITY, Iowa

51101, 51102, 51103, 51104, 51105, 51106, 51108, 51109, 51111

This list contains only 5-digit ZIP codes. Use our zip code lookup by address feature to get the full 9-digit (ZIP+4) code.

ZIP Codes for SIOUX CITY, IA by streets

Select a street from the list to find ZIP+4 code by address (street and house number)

List of SIOUX CITY, IA ZIP Codes

ZIP	TYPE	POPULATION
51101	STANDARD	649
51102	PO BOX	–
51103	STANDARD	17,176
51104	STANDARD	23,038
51105	STANDARD	10,902
51106	STANDARD	27,491
51108	STANDARD	5,431
51109	STANDARD	3,453
51111	STANDARD	80

Post offices

SIOUX CITY — Post Office^™ 214 JACKSON ST SIOUX CITY, IA 51101-9998

Envelope example

On the bottom center of the envelope, write the address you want your letter delivered to. Include the following on separate lines:

Recipient's full name
Full street address
City, State, and ZIP Code

Using the same format, write the return address in the top left corner.

Using the full ZIP+4 Code when mailing via the USPS ensures the fastest, most accurate mailing possible. If you are not sure of the full 9-digit ZIP Code, use the 5-digit ZIP Code to avoid loss of letter or package.

The recipient address information is provided for your reference.

Address example

3482 DODGE AVE
SIOUX CITY IA 51106-1230

4543 DUSTIN DR
SIOUX CITY IA 51111-1039

3201 GLEN OAKS BLVD
SIOUX CITY IA 51104-1750

825 PAUL AVE
SIOUX CITY IA 51109-1430

3183 SUMAC TRL
SIOUX CITY IA 51106-5433

599 W 28TH ST
SIOUX CITY IA 51103-1935

Map

Census data for SIOUX CITY, IA

Demographic and housing estimates in SIOUX CITY, IA

Total population
Total population	82,486
Male	40,647
Female	41,839

Population by age
Total population	82,486
Under 5 years	6,371
5 to 9 years	6,027
10 to 14 years	6,044
15 to 19 years	5,995
20 to 24 years	6,218
25 to 34 years	11,592
35 to 44 years	9,847
45 to 54 years	9,686
55 to 59 years	4,703
60 to 64 years	4,786
65 to 74 years	6,189
75 to 84 years	3,457
85 years and over	1,571
Median age (years)	34.1
Under 18 years	21,686
16 years and over	62,951
18 years and over	60,800
21 years and over	56,717
62 years and over	14,200
65 years and over	11,217

Population by race
Total population	82,486
One race	79,863
White	69,028
Black or African American	3,556
American Indian and Alaska Native	1,758
Asian	2,880
Native Hawaiian and Other Pacific Islander	267
Some other race	2,374
Two or more races	2,623

Citizen, voting age population
Citizen, VOTING AGE 18 and over population	56,651
Male Citizen, VOTING AGE 18 and over population	27,545
Female Citizen, VOTING AGE 18 and over population	29,106

Social characteristics in SIOUX CITY, IA

Households by type
Total households	31,244
Family households (families)	19,978
Married-couple family	13,387
Male householder, no wife present, family	1,943
Female householder, no husband present, family	4,648
Nonfamily households	11,266
Average household size	2.55
Average family size	3.16

Economic characteristics in SIOUX CITY, IA

Income and benefits (in 2018 inflation-adjusted dollars)
Total households	31,244
Less than $10,000	2,012
$10,000 to $14,999	1,365
$15,000 to $24,999	3,475
$25,000 to $34,999	3,902
$35,000 to $49,999	3,972
$50,000 to $74,999	6,488
$75,000 to $99,999	4,320
$100,000 to $149,999	3,621
$150,000 to $199,999	1,142
$200,000 or more	947
Median household income (dollars)	53,281

Housing characteristics in SIOUX CITY, IA

Housing occupancy
Total housing units	33,717
Occupied housing units	31,244
Vacant housing units	2,473

Units in structure
Total housing units	33,717
1-unit, detached	23,508
1-unit, attached	1,076
2 units	1,396
3 or 4 units	1,445
5 to 9 units	1,393
10 to 19 units	1,210
20 or more units	2,645
Mobile home	1,006
Boat, RV, van, etc.	38

Year structure built
Total housing units	33,717
Built 2014 or later	108
Built 2010 to 2013	302
Built 2000 to 2009	1,821
Built 1990 to 1999	3,176
Built 1980 to 1989	1,646
Built 1970 to 1979	4,024
Built 1960 to 1969	3,646
Built 1950 to 1959	4,708
Built 1940 to 1949	2,811
Built 1939 or earlier	11,475

Rooms
Total housing units	33,717
1 room	760
2 rooms	1,044
3 rooms	2,780
4 rooms	6,183
5 rooms	6,123
6 rooms	5,347
7 rooms	3,960
8 rooms	3,153
9 rooms or more	4,367
Median rooms	5.5

Bedrooms
Total housing units	33,717
No bedroom	844
1 bedroom	4,367
2 bedrooms	10,609
3 bedrooms	12,044
4 bedrooms	4,746
5 or more bedrooms	1,107

Housing tenure
Occupied housing units	31,244
Owner-occupied	19,269
Renter-occupied	11,975
Average household size of owner-occupied unit	2.68
Average household size of renter-occupied unit	2.35

Year householder moved into unit
Occupied housing units	31,244
Moved in 2017 or later	1,476
Moved in 2015 to 2016	4,189
Moved in 2010 to 2014	9,579
Moved in 2000 to 2009	7,685
Moved in 1990 to 1999	3,770
Moved in 1989 and earlier	4,545

Value
Owner-occupied units	19,269
Less than $50,000	1,645
$50,000 to $99,999	6,839
$100,000 to $149,999	4,948
$150,000 to $199,999	3,024
$200,000 to $299,999	1,895
$300,000 to $499,999	823
$500,000 to $999,999	75
$1,000,000 or more	20
Median (dollars)	110,300

Mortgage status
Owner-occupied units	19,269
Housing units with a mortgage	11,522
Housing units without a mortgage	7,747

Gross rent
Occupied units paying rent	11,568
Less than $500	2,118
$500 to $999	7,303
$1,000 to $1,499	1,788
$1,500 to $1,999	99
$2,000 to $2,499	91
$2,500 to $2,999	23
$3,000 or more	146
Median (dollars)	752
No rent paid	407

Data is based on 2018 Census

ZIP Codes for other locations

State for SIOUX CITY

Iowa ZIP Codes

Other cities in Iowa

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