Smithland ZIP Codes — Woodbury County, IA

There is one unique ZIP code in Smithland, Iowa and it is 51056. Area code: 712.

ZIP codes

33.59

sq mi land

0.12

sq mi water

712

area code

Smithland, IA ZIP code map

About Smithland, IA

Smithland, Iowa, is a small but charming community nestled in the rolling landscapes of Woodbury County. Known for its rural setting and tight-knit atmosphere, residents enjoy a peaceful lifestyle away from the hustle and bustle of larger cities. The town has a rich history and a variety of local activities that foster a strong sense of community pride.

Location & geography

Smithland is located in the western part of Iowa, specifically within Woodbury County, offering picturesque views of the Iowa countryside. Nearby cities include Sioux City, situated approximately 25 miles to the west, Correctionville, about 15 miles southeast, and Moville, lying around 20 miles to the northeast. The town spans a land area of 33.59 square miles, with a modest water area of 0.12 square miles complementing its scenic terrain.

Community & economy

The character of Smithland reflects a warm and welcoming community where neighbors know one another and local gatherings are cherished. The economy relies heavily on agriculture and small local businesses, providing essential services and products to residents. Daily life in Smithland is characterized by community involvement, with various events and activities that strengthen local ties and celebrate the town's heritage.

Transportation

Access to Smithland is facilitated by several highways, including the nearby US Highway 20, which connects residents to larger urban areas. The nearest major airport is Sioux Gateway Airport in Sioux City, approximately 25 miles away, providing regional flight options. Public transit options are limited, making personal vehicles the primary mode of transportation in the area.

History

Smithland was founded in the late 19th century and has since developed a diverse history rooted in agriculture and community spirit. The town has weathered various economic changes and continues to be a close-knit farming community that values its traditions. Notable historical events in Smithland often revolve around its agricultural fairs and community celebrations that highlight local culture.

Did you know?

One little-known fact about Smithland is that it is home to the annual Smithland RiverFest, a celebration that showcases local culture, food, and music. Despite its small size, the town's welcoming atmosphere and active community engagement often surprise first-time visitors.

ZIP codes for Smithland, IA (1)

ZIP code	City	County	Map
51056	Smithland	Woodbury	View map

Demographics & statistics

464

Population

52.9

Median age

$69,858

Median household income

$34,355

Per capita income

$101,000

Median home value

$692

Median monthly rent

97.4%

Home ownership

3.7%

Poverty rate

0.9%

Unemployment

238

Housing units

9.3%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	68	14.7%
18 and over	396	85.3%
65 and over	161	34.7%
Median age	52.9 years

Race & ethnicity

White 96.3%

American Indian / Alaska Native 3.4%

Two or more races 0.2%

Group	Count	%
White	447	96.3%
American Indian / Alaska Native	16	3.4%
Two or more races	1	0.2%

Household income

Under $10k 1.0%

$10k–$15k 1.0%

$15k–$25k 4.6%

$25k–$35k 5.6%

$35k–$50k 13.3%

$50k–$75k 27.7%

$75k–$100k 15.9%

$100k–$150k 22.1%

$150k–$200k 3.1%

$200k+ 5.6%

Range	% of households
Under $10k	1.0%
$10k–$15k	1.0%
$15k–$25k	4.6%
$25k–$35k	5.6%
$35k–$50k	13.3%
$50k–$75k	27.7%
$75k–$100k	15.9%
$100k–$150k	22.1%
$150k–$200k	3.1%
$200k+	5.6%
Median income	$69,858

Housing

Home values

Under $50k 31.6%

$50k–$100k 17.9%

$100k–$150k 17.4%

$150k–$200k 10.0%

$200k–$300k 23.2%

Housing overview

Metric	Value
Median home value	$101,000
Median rent / month	$692
Owner occupied	97.4%
Renter occupied	2.6%
Vacant	19.8%
Single-family detached	97.9%
Large apartment buildings	0.0%
Mobile homes	2.1%
Median rooms	6.1
Avg household size (owned)	2.38

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	3.7%
1990–1999	20.6%
1980–1989	0.4%
1970–1979	7.4%
1960–1969	4.5%
1950–1959	10.7%
1940–1949	4.5%
1939 or earlier	48.1%

Bedrooms

Size	% of units
No bedroom (studio)	3.3%
1 bedroom	4.1%
2 bedrooms	25.5%
3 bedrooms	39.9%
4 bedrooms	22.6%
5+ bedrooms	4.5%

Vehicles per household

Vehicles	% of households
No vehicle	5.6%
1 vehicle	12.8%
2 vehicles	34.9%
3 or more	46.7%

Heating fuel

Fuel type	%
Electricity	42.6%
Propane / LP gas	48.2%
Fuel oil	6.7%
Wood	2.1%
No fuel used	0.5%

Households & families

Household type	Count	%
Married-couple family	96	49.2%
Cohabiting couple	17	8.7%
Male householder, no spouse	44	22.6%
Female householder, no spouse	38	19.5%
Households with children under 18	71	36.4%
Households with seniors (65+)	143	73.3%
Average household size	2.38

Marital status

Status	Male	Female
Never married	16.3%	42.6%
Married	51.1%	36.1%
Separated	0.5%	0.5%
Widowed	8.4%	14.8%
Divorced	23.7%	6.0%

Education

Less than 9th grade 19.5%

Some HS, no diploma 11.0%

HS graduate 26.6%

Some college, no degree 28.6%

Associate's degree 4.8%

Bachelor's degree 6.8%

Graduate / professional 2.5%

Metric	%
HS diploma or higher	69.4%
Bachelor's or higher	9.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	31	54.4%
Elementary school	13	22.8%
High school	12	21.1%
College / grad school	1	1.8%

Employment

Industry of employment

Manufacturing 29.8%

Agriculture & mining 21.1%

Education & healthcare 14.5%

Construction 12.3%

Retail trade 10.5%

Arts, food & hospitality 5.7%

Finance & real estate 2.2%

Public administration 1.3%

Wholesale trade 0.9%

Transportation & utilities 0.9%

Professional & management 0.9%

Occupation

Category	%
Management, business & arts	13.6%
Service	12.3%
Sales & office	18.4%
Natural resources & construction	13.2%
Production & transportation	42.5%

Employment type

Type	%
Private sector	77.6%
Government	9.2%
Self-employed	13.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	78.4%
Carpool	19.8%
Public transit	0.0%
Walk	0.0%
Other means	1.4%
Avg commute (minutes)	46.1

Poverty

All people 3.7%

Under 18 years 2.9%

18 and over 3.8%

Married-couple families 0.0%

Female-led households 14.3%

Income support

Source	% of households
Social Security	68.7%
Retirement income	32.3%
Supplemental Security	0.5%
Cash public assistance	1.0%
Food stamps / SNAP	28.2%

Health indicators

Condition	%
High blood pressure	36.8%
High cholesterol	36.0%
Heart disease	7.8%
Stroke	3.4%
Asthma	8.8%
Arthritis	28.1%
Kidney disease	3.2%
Pulmonary disease	7.5%
Cancer	8.4%

Behavior / access	%
Binge drinking	19.3%
No physical activity	26.2%
Less than 7 hrs sleep	31.2%
Fair or poor health	13.2%
Poor mental health	12.5%
Poor physical health	10.2%
No health insurance	9.1%
Visited doctor (checkup)	78.8%
Visited dentist	70.9%
Cholesterol screening	90.6%
Teeth loss	12.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	19	4.8%

Disability	%
Any disability	32.8%
Under 18	5.9%
18–64 years	15.7%
65 and over	68.9%

Health insurance coverage

Type	%
Private insurance	61.2%
Public insurance	51.1%
Uninsured under 19	2.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	452	97.4%
Spanish	68	15.0%
Other Indo-European	67	14.8%
Asian & Pacific Islander	0	0.0%
Other languages	1	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	397	85.6%
Born in same state	397	85.6%
Born in different state	275	59.3%
Foreign born	0	0.0%
Naturalized citizen	67	14.4%
Not a US citizen	67	100.0%

Ancestry

Ancestry	Count	%
French	28	6%
Italian	24	5.2%
Arab	22	4.7%

Ancestry	Count	%
English	21	4.5%
Dutch	16	3.4%
Polish	15	3.2%

Technology access

Metric	% of households
Computer access	42.0%
Internet access	92.8%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What ZIP codes does Smithland, IA have?

Smithland, IA has one ZIP code: 51056. Each ZIP code serves a distinct delivery area within the city and surrounding region.