Zip code 51105: Sioux City, Iowa

Q: What city is zip code 51105?

51105 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 51105 in?

51105 is in Woodbury County, Iowa.

Q: What is the population of 51105?

About 10,415 people live in 51105, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 51105?

The median household income in 51105 is $51,786.

Q: What zip codes are near 51105?

The closest zip codes to 51105 are 51101, 51104, 51106, 51108, 51103.

Residential delivery areaWoodbury CountyCentral Time

Population

10,415

Median household income

$52K

U.S. $81K

Median home value

$96K

U.S. $333K

Median rent

$859/mo

U.S. $1,413

Median age

29.6

U.S. 38.9

Land area

6 sq mi

1,750 people/sq mi

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

About 51105

51105 is a suburban zip code in Sioux City, Iowa (Woodbury County), covering 6 sq mi of land. About 10,415 people live here, or 1,750 per square mile. The median resident is 29.6 years old, compared with 38.9 nationally.

The median household earns $51,786 a year, 36% below the national median of $80,734. 21.6% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $96,200, or 1.9 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 48% of occupied homes are lived in by their owners, and renters pay a median of $859 a month.

8% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 16.9 minutes each way, and 2% of workers work from home. The most common jobs among working residents are in production and manufacturing; transportation and moving goods; and cleaning and personal care. 36% of households speak a language other than English at home, most often Spanish.

How 51105 compares

Sorted from highest to lowest national percentile

Residents under 1834.2%
99th
U.S. 22% · IA 22.9%43rd of 911 in IA
Diversity index69.3
92nd
U.S. 61.4 · IA 31.42nd of 911 in IA
Poverty rate21.6%
87th
WeaknessU.S. 12.5% · IA 11.1%56th of 909 in IA
Uninsured rate12.1%
80th
WeaknessU.S. 8.4% · IA 5%61st of 911 in IA
Foreign-born residents24%
80th
U.S. 14.1% · IA 5.9%9th of 911 in IA
Housing vacancy11.3%
76th
U.S. 10.1% · IA 8.5%321st of 909 in IA
Unemployment rate6.2%
71st
U.S. 5.2% · IA 3.6%109th of 911 in IA
Population density1,750/sq mi
54th
U.S. 95/sq mi · IA 58/sq mi28th of 911 in IA
Veterans4%
26th
U.S. 6.2% · IA 6.5%781st of 911 in IA
Income inequality (Gini)0.402
22nd
U.S. 0.483 · IA 0.444417th of 908 in IA
Population10,415
16th
U.S. 334,922,499 · IA 3,210,50776th of 911 in IA
Homeownership rate48.2%
16th
WeaknessU.S. 65.2% · IA 71.7%897th of 909 in IA
Median earnings per worker$37,774
16th
WeaknessU.S. $49,666 · IA $47,712825th of 910 in IA
Rent-burdened renters39.4%
15th
StrengthU.S. 51.1% · IA 43.9%349th of 882 in IA
Median gross rent$859
11th
U.S. $1,413 · IA $972320th of 771 in IA
Broadband access84.4%
11th
WeaknessU.S. 91% · IA 88.9%679th of 909 in IA
Median household income$51,786
10th
WeaknessU.S. $80,734 · IA $75,059848th of 896 in IA
Per capita income$24,008
7th
WeaknessU.S. $44,673 · IA $40,877892nd of 911 in IA
Median age29.6
3rd
U.S. 38.9 · IA 38.6882nd of 911 in IA
Average commute16.9 min
3rd
StrengthU.S. 26.4 min · IA 19.8 min792nd of 902 in IA
Median home value$96,200
2nd
U.S. $332,700 · IA $208,000793rd of 881 in IA
Healthcare workers4.2%
2nd
U.S. 9.7% · IA 9.2%789th of 911 in IA
Self-employed workers4.1%
2nd
U.S. 10% · IA 10.2%861st of 911 in IA
Bachelor's degree or higher7.8%
1st
WeaknessU.S. 35.7% · IA 31.4%858th of 911 in IA
Work from home1.7%
1st
U.S. 15.1% · IA 11.3%841st of 911 in IA
Residents 65 and older6.3%
1st
U.S. 17.2% · IA 18.1%895th of 911 in IA
Tech workers0%
1st
U.S. 3.8% · IA 2.9%903rd of 911 in IA
Government workers2.9%
1st
U.S. 14.5% · IA 14.5%880th of 911 in IA

Measure	51105	Woodbury	IA	U.S.	National percentile	Rank in IA
Residents under 18	34.2%	25.8%	22.9%	22%	99th	43rd of 911
Diversity index	69.3	50.8	31.4	61.4	92nd	2nd of 911
Poverty rateWeakness	21.6%	14%	11.1%	12.5%	87th	56th of 909
Uninsured rateWeakness	12.1%	7.3%	5%	8.4%	80th	61st of 911
Foreign-born residents	24%	10.6%	5.9%	14.1%	80th	9th of 911
Housing vacancy	11.3%	6.2%	8.5%	10.1%	76th	321st of 909
Unemployment rate	6.2%	4.1%	3.6%	5.2%	71st	109th of 911
Population density	1,750/sq mi	122/sq mi	58/sq mi	95/sq mi	54th	28th of 911
Veterans	4%	5.7%	6.5%	6.2%	26th	781st of 911
Income inequality (Gini)	0.402	0.436	0.444	0.483	22nd	417th of 908
Population	10,415	106,247	3,210,507	334,922,499	16th	76th of 911
Homeownership rateWeakness	48.2%	68.2%	71.7%	65.2%	16th	897th of 909
Median earnings per workerWeakness	$37,774	$44,867	$47,712	$49,666	16th	825th of 910
Rent-burdened rentersStrength	39.4%	42.5%	43.9%	51.1%	15th	349th of 882
Median gross rent	$859	$981	$972	$1,413	11th	320th of 771
Broadband accessWeakness	84.4%	87.3%	88.9%	91%	11th	679th of 909
Median household incomeWeakness	$51,786	$73,658	$75,059	$80,734	10th	848th of 896
Per capita incomeWeakness	$24,008	$35,564	$40,877	$44,673	7th	892nd of 911
Median age	29.6	36.1	38.6	38.9	3rd	882nd of 911
Average commuteStrength	16.9 min	18.1 min	19.8 min	26.4 min	3rd	792nd of 902
Median home value	$96,200	$183,200	$208,000	$332,700	2nd	793rd of 881
Healthcare workers	4.2%	8.8%	9.2%	9.7%	2nd	789th of 911
Self-employed workers	4.1%	8.5%	10.2%	10%	2nd	861st of 911
Bachelor's degree or higherWeakness	7.8%	24.3%	31.4%	35.7%	1st	858th of 911
Work from home	1.7%	5.6%	11.3%	15.1%	1st	841st of 911
Residents 65 and older	6.3%	15.9%	18.1%	17.2%	1st	895th of 911
Tech workers	0%	1.1%	2.9%	3.8%	1st	903rd of 911
Government workers	2.9%	11.6%	14.5%	14.5%	1st	880th of 911

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

25%

5–17

18–24

16%

25–34

15%

35–44

12%

45–54

55–64

65–74

75+

Median age

29.6

Under 18

34.2%

65 and over

6.3%

Race and ethnicity

White39%
Black9%
Hispanic37%
Asian2%
Native American3%
Pacific Islander0.1%
Other0.2%
Multiracial9%

Diversity index

69.3

U.S. 61.4

Foreign-born

24%

U.S. 14.1%

Born in state

54.6%

Language spoken at home (households)

English only

64%

Spanish

27%

Other Indo-European

0.7%

Asian / Pacific

Other

Households

Households: 3,596
Average household size: 2.9
Family households: 64.2%
Married couples: 35%
Living alone: 27.2%
Veterans (of adults): 4%
Male / female: 54% / 46%

Income and poverty

Household income distribution

<$25k

18%

$25–50k

30%

$50–75k

14%

$75–100k

18%

$100–150k

14%

$150–200k

$200k+

Median household income

51105

$51,786

Woodbury Co.

$73,658

Iowa

$75,059

United States

$80,734

Per capita income

$24,008

U.S. $44,673

Poverty rate

21.6%

U.S. 12.5%

Households earning $150K+

6.1%

U.S. 23%

Income inequality (Gini)

0.402

U.S. 0.483

Housing

Median home value

51105

$96,200

Woodbury Co.

$183,200

Iowa

$208,000

United States

$332,700

Median gross rent

51105

$859

Woodbury Co.

$981

Iowa

$972

United States

$1,413

Types of housing

Single-family

57%

2–4 units

16%

5–19 units

20+ units

10%

Mobile home

10%

Boat, RV, van

Housing units: 4,053
Owner-occupied: 48.2%
Vacant: 11.3%
Median year built: 1939 or earlier
Median rooms: 4.8
Renters paying 30%+ of income: 39.4%
Renters paying 50%+ of income: 21.6%
Home value to income: 1.9× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

73%

Carpooled

19%

Transit

Walked

Bicycle

Worked from home

Other

0.6%

Commute time (one way)

<10 min

16%

10–19

49%

20–29

24%

30–44

45–59

60+

Average commute

16.9 min

U.S. 26.4 min

Unemployment

6.2%

U.S. 5.2%

In labor force

72.5%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Production

29%

Transportation and moving

21%

Cleaning and personal care

11%

Construction and repair

Food service

Management

Sales

Healthcare

Office and admin

Legal and social services

Education

Engineering and science

Arts, media and sports

0.6%

Police and fire

0.2%

Business and finance

Computer and math

Farming, fishing and forestry

Industries

Manufacturing

39%

Retail

Health care and social assistance

Construction

Restaurants and hotels

Admin, support and management

Other services

Transportation, warehousing and utilities

Finance, insurance and real estate

Education

Arts and recreation

Information

Public administration

Professional and technical services

Wholesale

Agriculture and mining

Median earnings per worker

$37,774

U.S. $49,666

Self-employed

4.1%

U.S. 10%

Government workers

2.9%

U.S. 14.5%

Nonprofit workers

5.2%

U.S. 8.8%

Median earnings by type of work

Type of work	51105	U.S.
Management, business, science and arts	$55,952	$74,888
Service	$14,435	$26,804
Sales and office	$23,059	$40,476
Construction and maintenance	$42,330	$49,199
Production and transportation	$41,071	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

32%

High school

36%

Some college

17%

Associate's

Bachelor's

Graduate

High school graduate or higher: 67.8%
Bachelor's degree or higher: 7.8%
Graduate or professional degree: 2.6%
Households with broadband: 84.4%
Cable, fiber or DSL: 56.6%
No internet access: 11.7%
Without health insurance: 12.1%
Limited-English households: 17.4%

Geography

City (USPS): Sioux City
State: Iowa
County: Woodbury County
Center point: 42.5079° N, 96.3663° W
Land area: 6 sq mi
Water area: under 0.1 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Sioux City100% of zip

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

Zip codes near 51105

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
51101	Sioux City, IA	1.7 mi	1,031	$15,300	—
51104	Sioux City, IA	2.6 mi	23,197	$75,362	$211,100
51106	Sioux City, IA	4.1 mi	28,592	$78,434	$200,200
51108	Sioux City, IA	4.1 mi	5,960	$81,205	$169,700
51103	Sioux City, IA	4.3 mi	16,895	$58,197	$142,900
68776	South Sioux City, NE	5.2 mi	15,373	$68,750	$179,800
51111	Sioux City, IA	6.3 mi	39	—	—
57049	North Sioux City, SD	7.4 mi	7,962	$93,134	$432,100
51109	Sioux City, IA	8.8 mi	3,606	$79,034	$130,900
51054	Sergeant Bluff, IA	8.9 mi	5,583	$119,716	$301,900
51030	Lawton, IA	9.1 mi	1,468	$86,167	$271,000
68731	Dakota City, NE	9.4 mi	3,469	$79,924	$205,600

Zip codes like 51105 elsewhere

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

Questions about 51105

What city is zip code 51105?

51105 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 51105 in?

51105 is in Woodbury County, Iowa.

What is the population of 51105?

About 10,415 people live in 51105, according to the Census Bureau's American Community Survey.

What time zone is 51105 in?

51105 is in Central Time.

What is the median household income in 51105?

The median household income in 51105 is $51,786.

What zip codes are near 51105?

The closest zip codes to 51105 are 51101, 51104, 51106, 51108, 51103.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 51105, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.