Zip code 51106: Sioux City, Iowa

Q: What city is zip code 51106?

51106 is assigned to Sioux City, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 51106 in?

51106 is in Woodbury County, Iowa.

Q: What is the population of 51106?

About 28,592 people live in 51106, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 51106?

The median household income in 51106 is $78,434.

Q: What zip codes are near 51106?

The closest zip codes to 51106 are 51105, 51101, 51111, 51054, 51102.

Residential delivery areaWoodbury CountyCentral Time

Population

28,592

Median household income

$78K

U.S. $81K

Median home value

$200K

U.S. $333K

Median rent

$1,117/mo

U.S. $1,413

Median age

36.4

U.S. 38.9

Land area

33 sq mi

854 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 51106

51106 is a suburban zip code in Sioux City, Iowa (Woodbury County), covering 33 sq mi of land. About 28,592 people live here, or 854 per square mile. The median resident is 36.4 years old, compared with 38.9 nationally.

The median household earns $78,434 a year, close to the national median of $80,734. 13.6% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $200,200, or 2.6 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 70% of occupied homes are lived in by their owners, and renters pay a median of $1,117 a month.

29% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 15.3 minutes each way, and 7% of workers work from home. The most common jobs among working residents are in healthcare; production and manufacturing; and sales.

How 51106 compares

Sorted from highest to lowest national percentile

Healthcare workers11.1%
72nd
U.S. 9.7% · IA 9.2%235th of 911 in IA
Residents under 1824.3%
69th
U.S. 22% · IA 22.9%367th of 911 in IA
Poverty rate13.6%
64th
U.S. 12.5% · IA 11.1%199th of 909 in IA
Income inequality (Gini)0.449
62nd
U.S. 0.483 · IA 0.444177th of 908 in IA
Homeownership rate70.2%
54th
U.S. 65.2% · IA 71.7%780th of 909 in IA
Residents 65 and older16.5%
50th
U.S. 17.2% · IA 18.1%679th of 911 in IA
Median household income$78,434
48th
U.S. $80,734 · IA $75,059364th of 896 in IA
Population28,592
47th
U.S. 334,922,499 · IA 3,210,50727th of 911 in IA
Per capita income$39,145
47th
U.S. $44,673 · IA $40,877410th of 911 in IA
Veterans5.6%
47th
U.S. 6.2% · IA 6.5%626th of 911 in IA
Median earnings per worker$47,379
47th
U.S. $49,666 · IA $47,712455th of 910 in IA
Bachelor's degree or higher28.6%
43rd
U.S. 35.7% · IA 31.4%202nd of 911 in IA
Population density854/sq mi
41st
U.S. 95/sq mi · IA 58/sq mi65th of 911 in IA
Diversity index42
39th
U.S. 61.4 · IA 31.457th of 911 in IA
Government workers12.4%
39th
U.S. 14.5% · IA 14.5%510th of 911 in IA
Rent-burdened renters47.6%
38th
U.S. 51.1% · IA 43.9%226th of 882 in IA
Unemployment rate4.1%
36th
U.S. 5.2% · IA 3.6%215th of 911 in IA
Foreign-born residents6.2%
35th
U.S. 14.1% · IA 5.9%105th of 911 in IA
Uninsured rate5.1%
34th
U.S. 8.4% · IA 5%312th of 911 in IA
Housing vacancy5%
33rd
U.S. 10.1% · IA 8.5%689th of 909 in IA
Median gross rent$1,117
30th
U.S. $1,413 · IA $97276th of 771 in IA
Median age36.4
30th
U.S. 38.9 · IA 38.6763rd of 911 in IA
Broadband access88.8%
27th
U.S. 91% · IA 88.9%437th of 909 in IA
Median home value$200,200
21st
U.S. $332,700 · IA $208,000270th of 881 in IA
Tech workers1.3%
18th
U.S. 3.8% · IA 2.9%348th of 911 in IA
Work from home6.9%
16th
U.S. 15.1% · IA 11.3%574th of 911 in IA
Self-employed workers6.7%
16th
U.S. 10% · IA 10.2%799th of 911 in IA
Average commute15.3 min
2nd
StrengthU.S. 26.4 min · IA 19.8 min850th of 902 in IA

Measure	51106	Woodbury	IA	U.S.	National percentile	Rank in IA
Healthcare workers	11.1%	8.8%	9.2%	9.7%	72nd	235th of 911
Residents under 18	24.3%	25.8%	22.9%	22%	69th	367th of 911
Poverty rate	13.6%	14%	11.1%	12.5%	64th	199th of 909
Income inequality (Gini)	0.449	0.436	0.444	0.483	62nd	177th of 908
Homeownership rate	70.2%	68.2%	71.7%	65.2%	54th	780th of 909
Residents 65 and older	16.5%	15.9%	18.1%	17.2%	50th	679th of 911
Median household income	$78,434	$73,658	$75,059	$80,734	48th	364th of 896
Population	28,592	106,247	3,210,507	334,922,499	47th	27th of 911
Per capita income	$39,145	$35,564	$40,877	$44,673	47th	410th of 911
Veterans	5.6%	5.7%	6.5%	6.2%	47th	626th of 911
Median earnings per worker	$47,379	$44,867	$47,712	$49,666	47th	455th of 910
Bachelor's degree or higher	28.6%	24.3%	31.4%	35.7%	43rd	202nd of 911
Population density	854/sq mi	122/sq mi	58/sq mi	95/sq mi	41st	65th of 911
Diversity index	42	50.8	31.4	61.4	39th	57th of 911
Government workers	12.4%	11.6%	14.5%	14.5%	39th	510th of 911
Rent-burdened renters	47.6%	42.5%	43.9%	51.1%	38th	226th of 882
Unemployment rate	4.1%	4.1%	3.6%	5.2%	36th	215th of 911
Foreign-born residents	6.2%	10.6%	5.9%	14.1%	35th	105th of 911
Uninsured rate	5.1%	7.3%	5%	8.4%	34th	312th of 911
Housing vacancy	5%	6.2%	8.5%	10.1%	33rd	689th of 909
Median gross rent	$1,117	$981	$972	$1,413	30th	76th of 771
Median age	36.4	36.1	38.6	38.9	30th	763rd of 911
Broadband access	88.8%	87.3%	88.9%	91%	27th	437th of 909
Median home value	$200,200	$183,200	$208,000	$332,700	21st	270th of 881
Tech workers	1.3%	1.1%	2.9%	3.8%	18th	348th of 911
Work from home	6.9%	5.6%	11.3%	15.1%	16th	574th of 911
Self-employed workers	6.7%	8.5%	10.2%	10%	16th	799th of 911
Average commuteStrength	15.3 min	18.1 min	19.8 min	26.4 min	2nd	850th of 902

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

17%

5–17

12%

18–24

13%

25–34

11%

35–44

12%

45–54

11%

55–64

65–74

75+

Median age

36.4

Under 18

24.3%

65 and over

16.5%

Race and ethnicity

White75%
Black6%
Hispanic10%
Asian2%
Native American2%
Pacific Islander0.5%
Other0.0%
Multiracial5%

Diversity index

U.S. 61.4

Foreign-born

6.2%

U.S. 14.1%

Born in state

67.8%

Language spoken at home (households)

English only

87%

Spanish

Other Indo-European

Asian / Pacific

Other

0.4%

Households

Households: 11,249
Average household size: 2.4
Family households: 60.8%
Married couples: 44.8%
Living alone: 32.1%
Veterans (of adults): 5.6%
Male / female: 50% / 50%

Income and poverty

Household income distribution

<$25k

17%

$25–50k

15%

$50–75k

14%

$75–100k

14%

$100–150k

21%

$150–200k

$200k+

11%

Median household income

51106

$78,434

Woodbury Co.

$73,658

Iowa

$75,059

United States

$80,734

Per capita income

$39,145

U.S. $44,673

Poverty rate

13.6%

U.S. 12.5%

Households earning $150K+

17.5%

U.S. 23%

Income inequality (Gini)

0.449

U.S. 0.483

Housing

Median home value

51106

$200,200

Woodbury Co.

$183,200

Iowa

$208,000

United States

$332,700

Median gross rent

51106

$1,117

Woodbury Co.

$981

Iowa

$972

United States

$1,413

Types of housing

Single-family

79%

2–4 units

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 11,843
Owner-occupied: 70.2%
Vacant: 5%
Median year built: 1963
Median rooms: 6
Renters paying 30%+ of income: 47.6%
Renters paying 50%+ of income: 27.9%
Home value to income: 2.6× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

81%

Carpooled

10%

Transit

0.4%

Walked

Bicycle

Worked from home

Other

0.4%

Commute time (one way)

<10 min

19%

10–19

53%

20–29

20%

30–44

45–59

60+

Average commute

15.3 min

U.S. 26.4 min

Unemployment

4.1%

U.S. 5.2%

In labor force

64.8%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Healthcare

11%

Production

11%

Sales

11%

Office and admin

10%

Management

10%

Construction and repair

Transportation and moving

Education

Food service

Cleaning and personal care

Business and finance

Legal and social services

Police and fire

Arts, media and sports

Engineering and science

Computer and math

Farming, fishing and forestry

0.2%

Industries

Health care and social assistance

15%

Manufacturing

15%

Retail

14%

Education

Construction

Restaurants and hotels

Finance, insurance and real estate

Public administration

Other services

Professional and technical services

Admin, support and management

Transportation, warehousing and utilities

Wholesale

Information

Arts and recreation

Agriculture and mining

Median earnings per worker

$47,379

U.S. $49,666

Self-employed

6.7%

U.S. 10%

Government workers

12.4%

U.S. 14.5%

Nonprofit workers

9.9%

U.S. 8.8%

Median earnings by type of work

Type of work	51106	U.S.
Management, business, science and arts	$67,335	$74,888
Service	$18,538	$26,804
Sales and office	$40,202	$40,476
Construction and maintenance	$53,490	$49,199
Production and transportation	$42,145	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

32%

Some college

19%

Associate's

12%

Bachelor's

16%

Graduate

13%

High school graduate or higher: 92%
Bachelor's degree or higher: 28.6%
Graduate or professional degree: 12.9%
Households with broadband: 88.8%
Cable, fiber or DSL: 72.1%
No internet access: 7.2%
Without health insurance: 5.1%
Limited-English households: 3.6%

Geography

City (USPS): Sioux City
State: Iowa
County: Woodbury County
Center point: 42.4632° N, 96.3129° W
Land area: 33 sq mi
Water area: 0.4 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Sioux City43% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 51106

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
51105	Sioux City, IA	4.1 mi	10,415	$51,786	$96,200
51101	Sioux City, IA	4.6 mi	1,031	$15,300	—
51111	Sioux City, IA	5.1 mi	39	—	—
51054	Sergeant Bluff, IA	5.8 mi	5,583	$119,716	$301,900
51102	Sioux City, IA · PO box	6.6 mi	—	—	—
68776	South Sioux City, NE	6.7 mi	15,373	$68,750	$179,800
51104	Sioux City, IA	6.7 mi	23,197	$75,362	$211,100
51030	Lawton, IA	6.8 mi	1,468	$86,167	$271,000
51108	Sioux City, IA	7.4 mi	5,960	$81,205	$169,700
51007	Bronson, IA	7.6 mi	691	$117,125	$241,000
51103	Sioux City, IA	8 mi	16,895	$58,197	$142,900
68731	Dakota City, NE	9.9 mi	3,469	$79,924	$205,600

Zip codes like 51106 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 51106

What city is zip code 51106?

51106 is assigned to Sioux City, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 51106 in?

51106 is in Woodbury County, Iowa.

What is the population of 51106?

About 28,592 people live in 51106, according to the Census Bureau's American Community Survey.

What time zone is 51106 in?

51106 is in Central Time.

What is the median household income in 51106?

The median household income in 51106 is $78,434.

What zip codes are near 51106?

The closest zip codes to 51106 are 51105, 51101, 51111, 51054, 51102.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 51106, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.