Zip code 51056: Smithland, Iowa

Q: What city is zip code 51056?

51056 is assigned to Smithland, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 51056 in?

51056 is mostly in Woodbury County, but it extends into 1 other county.

Q: What is the population of 51056?

About 346 people live in 51056, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 51056?

The median household income in 51056 is $103,313.

Q: What zip codes are near 51056?

The closest zip codes to 51056 are 51051, 51044, 51026, 51015, 51004.

Residential delivery areaWoodbury CountyCentral Time

Population

346

Small sample: rough estimates

Median household income

$103K

U.S. $81K

Median home value

$157K

U.S. $333K

Median rent

$658/mo

U.S. $1,413

Median age

54.7

U.S. 38.9

Land area

34 sq mi

10 people/sq mi

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

About 51056

51056 is a rural zip code in Smithland, Iowa (Woodbury County), covering 34 sq mi of land. About 346 people live here, or 10 per square mile. The median resident is 54.7 years old, compared with 38.9 nationally. With so few residents, the Census figures below are rough estimates with wide margins of error.

The median household earns $103,313 a year, 28% above the national median of $80,734. 12.4% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $157,400, or 1.5 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 93% of occupied homes are lived in by their owners, and renters pay a median of $658 a month.

22% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 37.9 minutes each way, and 6% of workers work from home. The most common jobs among working residents are in sales; transportation and moving goods; and management. 22% of them are self-employed (U.S.: 10%).

How 51056 compares

Sorted from highest to lowest national percentile

Only about 346 people live here, so these survey estimates have wide margins of error.

Self-employed workers22.2%
99th
U.S. 10% · IA 10.2%133rd of 911 in IA
Median age54.7
98th
U.S. 38.9 · IA 38.688th of 911 in IA
Homeownership rate92.5%
98th
StrengthU.S. 65.2% · IA 71.7%106th of 909 in IA
Residents 65 and older31.2%
97th
U.S. 17.2% · IA 18.1%79th of 911 in IA
Average commute37.9 min
95th
WeaknessU.S. 26.4 min · IA 19.8 min17th of 902 in IA
Median household income$103,313
74th
U.S. $80,734 · IA $75,05986th of 896 in IA
Per capita income$49,630
71st
U.S. $44,673 · IA $40,877106th of 911 in IA
Veterans7.2%
69th
U.S. 6.2% · IA 6.5%410th of 911 in IA
Housing vacancy8.9%
66th
U.S. 10.1% · IA 8.5%465th of 909 in IA
Government workers15.7%
64th
U.S. 14.5% · IA 14.5%299th of 911 in IA
Poverty rate12.4%
58th
U.S. 12.5% · IA 11.1%248th of 909 in IA
Bachelor's degree or higher22.2%
26th
U.S. 35.7% · IA 31.4%405th of 911 in IA
Median earnings per worker$40,000
21st
U.S. $49,666 · IA $47,712782nd of 910 in IA
Diversity index19.8
12th
U.S. 61.4 · IA 31.4257th of 911 in IA
Median home value$157,400
11th
U.S. $332,700 · IA $208,000481st of 881 in IA
Work from home5.7%
10th
U.S. 15.1% · IA 11.3%654th of 911 in IA
Foreign-born residents0.9%
5th
U.S. 14.1% · IA 5.9%501st of 911 in IA
Residents under 1811.3%
3rd
U.S. 22% · IA 22.9%861st of 911 in IA
Median gross rent$658
2nd
U.S. $1,413 · IA $972635th of 771 in IA
Uninsured rate1.4%
2nd
StrengthU.S. 8.4% · IA 5%758th of 911 in IA
Income inequality (Gini)0.342
2nd
StrengthU.S. 0.483 · IA 0.444736th of 908 in IA
Population346
1st
U.S. 334,922,499 · IA 3,210,507773rd of 911 in IA
Population density10/sq mi
1st
U.S. 95/sq mi · IA 58/sq mi755th of 911 in IA
Unemployment rate0.9%
1st
StrengthU.S. 5.2% · IA 3.6%687th of 911 in IA
Broadband access72.3%
1st
WeaknessU.S. 91% · IA 88.9%878th of 909 in IA
Rent-burdened renters15.4%
1st
StrengthU.S. 51.1% · IA 43.9%693rd of 882 in IA
Tech workers0%
1st
U.S. 3.8% · IA 2.9%902nd of 911 in IA
Healthcare workers1.9%
1st
U.S. 9.7% · IA 9.2%860th of 911 in IA

Measure	51056	Woodbury	IA	U.S.	National percentile	Rank in IA
Self-employed workers	22.2%	8.5%	10.2%	10%	99th	133rd of 911
Median age	54.7	36.1	38.6	38.9	98th	88th of 911
Homeownership rateStrength	92.5%	68.2%	71.7%	65.2%	98th	106th of 909
Residents 65 and older	31.2%	15.9%	18.1%	17.2%	97th	79th of 911
Average commuteWeakness	37.9 min	18.1 min	19.8 min	26.4 min	95th	17th of 902
Median household income	$103,313	$73,658	$75,059	$80,734	74th	86th of 896
Per capita income	$49,630	$35,564	$40,877	$44,673	71st	106th of 911
Veterans	7.2%	5.7%	6.5%	6.2%	69th	410th of 911
Housing vacancy	8.9%	6.2%	8.5%	10.1%	66th	465th of 909
Government workers	15.7%	11.6%	14.5%	14.5%	64th	299th of 911
Poverty rate	12.4%	14%	11.1%	12.5%	58th	248th of 909
Bachelor's degree or higher	22.2%	24.3%	31.4%	35.7%	26th	405th of 911
Median earnings per worker	$40,000	$44,867	$47,712	$49,666	21st	782nd of 910
Diversity index	19.8	50.8	31.4	61.4	12th	257th of 911
Median home value	$157,400	$183,200	$208,000	$332,700	11th	481st of 881
Work from home	5.7%	5.6%	11.3%	15.1%	10th	654th of 911
Foreign-born residents	0.9%	10.6%	5.9%	14.1%	5th	501st of 911
Residents under 18	11.3%	25.8%	22.9%	22%	3rd	861st of 911
Median gross rent	$658	$981	$972	$1,413	2nd	635th of 771
Uninsured rateStrength	1.4%	7.3%	5%	8.4%	2nd	758th of 911
Income inequality (Gini)Strength	0.342	0.436	0.444	0.483	2nd	736th of 908
Population	346	106,247	3,210,507	334,922,499	1st	773rd of 911
Population density	10/sq mi	122/sq mi	58/sq mi	95/sq mi	1st	755th of 911
Unemployment rateStrength	0.9%	4.1%	3.6%	5.2%	1st	687th of 911
Broadband accessWeakness	72.3%	87.3%	88.9%	91%	1st	878th of 909
Rent-burdened rentersStrength	15.4%	42.5%	43.9%	51.1%	1st	693rd of 882
Tech workers	0%	1.1%	2.9%	3.8%	1st	902nd of 911
Healthcare workers	1.9%	8.8%	9.2%	9.7%	1st	860th 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

5–17

18–24

25–34

35–44

19%

45–54

18%

55–64

14%

65–74

18%

75+

Median age

54.7

Under 18

11.3%

65 and over

31.2%

Race and ethnicity

White89%
Black0%
Hispanic3%
Asian0.9%
Native American6%
Pacific Islander0%
Other0%
Multiracial0.9%

Diversity index

19.8

U.S. 61.4

Foreign-born

0.9%

U.S. 14.1%

Born in state

85.3%

Language spoken at home (households)

English only

97%

Spanish

0.6%

Other Indo-European

Asian / Pacific

Other

Households

Households: 173
Average household size: 2
Family households: 50.3%
Married couples: 38.7%
Living alone: 40.5%
Veterans (of adults): 7.2%
Male / female: 49% / 51%

Income and poverty

Household income distribution

<$25k

12%

$25–50k

14%

$50–75k

$75–100k

12%

$100–150k

38%

$150–200k

$200k+

Median household income

51056

$103,313

Woodbury Co.

$73,658

Iowa

$75,059

United States

$80,734

Per capita income

$49,630

U.S. $44,673

Poverty rate

12.4%

U.S. 12.5%

Households earning $150K+

15.6%

U.S. 23%

Income inequality (Gini)

0.342

U.S. 0.483

Housing

Median home value

51056

$157,400

Woodbury Co.

$183,200

Iowa

$208,000

United States

$332,700

Median gross rent

51056

$658

Woodbury Co.

$981

Iowa

$972

United States

$1,413

Types of housing

Single-family

95%

2–4 units

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 190
Owner-occupied: 92.5%
Vacant: 8.9%
Median year built: 1952
Median rooms: 6
Renters paying 30%+ of income: 15.4%
Renters paying 50%+ of income: 15.4%
Home value to income: 1.5× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

76%

Carpooled

16%

Transit

Walked

Bicycle

Worked from home

Other

0.9%

Commute time (one way)

<10 min

13%

10–19

20–29

19%

30–44

25%

45–59

21%

60+

17%

Average commute

37.9 min

U.S. 26.4 min

Unemployment

0.9%

U.S. 5.2%

In labor force

69.6%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Sales

19%

Transportation and moving

16%

Management

15%

Office and admin

13%

Construction and repair

12%

Production

Education

Engineering and science

Business and finance

Healthcare

Farming, fishing and forestry

Food service

0.9%

Arts, media and sports

0.5%

Computer and math

Legal and social services

Police and fire

Cleaning and personal care

Industries

Agriculture and mining

21%

Retail

20%

Construction

11%

Transportation, warehousing and utilities

Education

Other services

Public administration

Finance, insurance and real estate

Arts and recreation

Wholesale

Manufacturing

Health care and social assistance

Admin, support and management

Restaurants and hotels

0.9%

Information

0.9%

Professional and technical services

0.5%

Median earnings per worker

$40,000

U.S. $49,666

Self-employed

22.2%

U.S. 10%

Government workers

15.7%

U.S. 14.5%

Nonprofit workers

U.S. 8.8%

Median earnings by type of work

Type of work	51056	U.S.
Management, business, science and arts	$87,750	$74,888
Service	—	$26,804
Sales and office	$32,039	$40,476
Construction and maintenance	$76,875	$49,199
Production and transportation	$32,188	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

39%

Some college

22%

Associate's

Bachelor's

14%

Graduate

High school graduate or higher: 91.3%
Bachelor's degree or higher: 22.2%
Graduate or professional degree: 8.3%
Households with broadband: 72.3%
Cable, fiber or DSL: 59%
No internet access: 11.6%
Without health insurance: 1.4%
Limited-English households: 1.2%

Geography

City (USPS): Smithland
State: Iowa
County: Woodbury County
Center point: 42.2413° N, 95.9564° W
Land area: 34 sq mi
Water area: 0.1 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

51056 spans 2 counties

Woodbury County85% of land
Monona County15% of land

Zip codes near 51056

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
51051	Rodney, IA	2.5 mi	39	$51,563	$170,800
51044	Oto, IA	4.9 mi	165	$90,417	$83,800
51026	Hornick, IA	5.8 mi	910	$80,500	$211,400
51015	Climbing Hill, IA	9.3 mi	45	$87,500	$137,500
51004	Anthon, IA	9.8 mi	858	$43,882	$114,600
51010	Castana, IA	10 mi	425	$89,063	$114,800
51034	Mapleton, IA	10 mi	1,674	$66,375	$120,500
51019	Danbury, IA	12 mi	448	$75,000	$105,800
51063	Whiting, IA	14 mi	1,072	$80,750	$159,500
51039	Moville, IA	15 mi	2,845	$110,000	$268,200
51040	Onawa, IA	16 mi	3,500	$71,179	$151,600
51055	Sloan, IA	16 mi	1,346	$72,143	$218,300

Questions about 51056

What city is zip code 51056?

51056 is assigned to Smithland, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 51056 in?

51056 is mostly in Woodbury County, but it extends into 1 other county.

What is the population of 51056?

About 346 people live in 51056, according to the Census Bureau's American Community Survey.

What time zone is 51056 in?

51056 is in Central Time.

What is the median household income in 51056?

The median household income in 51056 is $103,313.

What zip codes are near 51056?

The closest zip codes to 51056 are 51051, 51044, 51026, 51015, 51004.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 51056, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.