Underwood ZIP Codes — Pottawattamie County, IA

There is one unique ZIP code in Underwood, Iowa and it is 51576. Area code: 712.

ZIP codes

46.34

sq mi land

0.21

sq mi water

712

area code

Underwood, IA ZIP code map

About Underwood, IA

Underwood, Iowa, is a vibrant city located within Pottawattamie County. Known for its small-town charm and community spirit, Underwood offers residents a peaceful lifestyle while being close to larger urban areas. This city, identified by the ZIP code 51576, is a great place for families and individuals seeking a quieter setting in the heart of Iowa.

Location & geography

Geographically, Underwood is situated about 12 miles northeast of Council Bluffs and approximately 15 miles from Omaha, Nebraska. The city spans a total area of 46.34 square miles, with a small water area of 0.21 square miles contributing to its varied terrain. The landscape is characterized by gently rolling hills and agricultural fields, typical of the rural Midwest.

Community & economy

Underwood boasts a close-knit community where residents take pride in their local culture and events. The city's industries are largely centered around agriculture, with local farms contributing significantly to the economy. Daily life in Underwood revolves around community gatherings, local schools, and recreational activities that foster a spirit of togetherness.

Transportation

Transportation in and around Underwood is facilitated by several major highways, with Interstate 80 being the primary route for traffic traveling east to west. The nearest airport is Eppley Airfield in Omaha, which is approximately 15 miles away and offers various regional and national flights. Residents also benefit from local transit services that connect to nearby cities and towns.

History

Underwood was founded in the late 19th century as a railroad community and has since grown to become a prominent rural hub in Pottawattamie County. Its key industry has traditionally nestled around agriculture, with farming playing a vital role in the area's development. Notable events in Underwood's history include its incorporation as a city and the establishment of various community organizations that continue to enrich local life.

Did you know?

A surprising fact about Underwood is that despite its small size, it has numerous parks and recreational facilities that attract visitors from surrounding areas. Additionally, the city is recognized for its strong community involvement and annual events that celebrate local culture and heritage.

ZIP codes for Underwood, IA (1)

ZIP code	City	County	Map
51576	Underwood	Pottawattamie	View map

Demographics & statistics

1,960

Population

38.5

Median age

$106,131

Median household income

$45,381

Per capita income

$291,700

Median home value

$840

Median monthly rent

92.1%

Home ownership

2.3%

Poverty rate

0.7%

Unemployment

693

Housing units

28.8%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

122

25–34

129

35–44

103

144

45–54

154

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	540	27.6%
18 and over	1,420	72.4%
65 and over	300	15.3%
Median age	38.5 years

Race & ethnicity

White 92.7%

Two or more races 6.1%

Black or African American 1%

American Indian / Alaska Native 0.2%

Group	Count	%
White	1,817	92.7%
Two or more races	119	6.1%
Black or African American	20	1%
American Indian / Alaska Native	4	0.2%

Household income

Under $10k 2.4%

$10k–$15k 0.3%

$15k–$25k 3.5%

$25k–$35k 1.6%

$35k–$50k 7.4%

$50k–$75k 13.8%

$75k–$100k 18.4%

$100k–$150k 22.7%

$150k–$200k 11.1%

$200k+ 18.9%

Range	% of households
Under $10k	2.4%
$10k–$15k	0.3%
$15k–$25k	3.5%
$25k–$35k	1.6%
$35k–$50k	7.4%
$50k–$75k	13.8%
$75k–$100k	18.4%
$100k–$150k	22.7%
$150k–$200k	11.1%
$200k+	18.9%
Median income	$106,131

Housing

Home values

Under $50k 1.2%

$50k–$100k 2.3%

$100k–$150k 8.3%

$150k–$200k 13.9%

$200k–$300k 26.2%

$300k–$500k 36.7%

$500k–$1M 10.8%

$1M+ 0.6%

Housing overview

Metric	Value
Median home value	$291,700
Median rent / month	$840
Owner occupied	92.1%
Renter occupied	7.9%
Vacant	5.9%
Single-family detached	94.4%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	6.5
Avg household size (owned)	2.86

Year built

Era	%
2020 or later	0.0%
2010–2019	13.1%
2000–2009	21.6%
1990–1999	11.5%
1980–1989	6.4%
1970–1979	17.2%
1960–1969	5.1%
1950–1959	4.4%
1940–1949	3.6%
1939 or earlier	17.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.5%
2 bedrooms	18.0%
3 bedrooms	49.7%
4 bedrooms	22.7%
5+ bedrooms	6.1%

Vehicles per household

Vehicles	% of households
No vehicle	0.1%
1 vehicle	24.1%
2 vehicles	27.8%
3 or more	47.9%

Heating fuel

Fuel type	%
Utility gas	37.0%
Electricity	21.7%
Propane / LP gas	37.4%
Fuel oil	2.1%
Wood	0.6%
No fuel used	1.1%

Households & families

Household type	Count	%
Married-couple family	500	70.9%
Cohabiting couple	21	3.0%
Male householder, no spouse	65	9.2%
Female householder, no spouse	119	16.9%
Households with children under 18	235	33.3%
Households with seniors (65+)	190	27.0%
Average household size	2.78

Marital status

Status	Male	Female
Never married	20.9%	26.6%
Married	72.3%	60.6%
Separated	0.7%	0.2%
Widowed	0.6%	5.7%
Divorced	5.6%	6.8%

Education

Less than 9th grade 4.2%

Some HS, no diploma 1.0%

HS graduate 29.2%

Some college, no degree 23.1%

Associate's degree 13.7%

Bachelor's degree 18.1%

Graduate / professional 10.8%

Metric	%
HS diploma or higher	94.8%
Bachelor's or higher	28.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	11	2.4%
Kindergarten	22	4.7%
Elementary school	201	43.2%
High school	167	35.9%
College / grad school	64	13.8%

Employment

Industry of employment

Education & healthcare 32.8%

Construction 12.4%

Transportation & utilities 8.5%

Manufacturing 7.9%

Retail trade 7.4%

Finance & real estate 7.2%

Professional & management 4.5%

Other services 4.4%

Public administration 4.4%

Arts, food & hospitality 4.1%

Agriculture & mining 3.5%

Wholesale trade 2.2%

Information 1.0%

Occupation

Category	%
Management, business & arts	38.7%
Service	22.5%
Sales & office	17.9%
Natural resources & construction	13.6%
Production & transportation	7.3%

Employment type

Type	%
Private sector	72.5%
Government	19.4%
Self-employed	8.1%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.2%
Carpool	10.3%
Public transit	0.0%
Walk	1.3%
Other means	2.3%
Avg commute (minutes)	25.1

Poverty

All people 2.3%

Under 18 years 2.1%

18 and over 2.4%

Married-couple families 2.6%

Female-led households 8.0%

Income support

Source	% of households
Social Security	28.4%
Retirement income	27.9%
Supplemental Security	2.1%
Cash public assistance	0.0%
Food stamps / SNAP	1.7%

Health indicators

Condition	%
High blood pressure	29.4%
High cholesterol	30.1%
Heart disease	4.9%
Stroke	2.2%
Asthma	9.3%
Arthritis	22.9%
Kidney disease	2.2%
Pulmonary disease	5.2%
Cancer	6.1%

Behavior / access	%
Binge drinking	23.8%
No physical activity	21.2%
Less than 7 hrs sleep	31.2%
Fair or poor health	9.6%
Poor mental health	13.3%
Poor physical health	7.8%
No health insurance	7.7%
Visited doctor (checkup)	73.3%
Visited dentist	69.9%
Cholesterol screening	89.2%
Teeth loss	8.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	145	10.2%

Disability	%
Any disability	5.7%
Under 18	2.4%
18–64 years	3.5%
65 and over	20.0%

Health insurance coverage

Type	%
Private insurance	88.4%
Public insurance	24.2%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,834	93.6%
Spanish	3	0.2%
Other Indo-European	3	0.2%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,945	99.2%
Born in same state	1,943	99.1%
Born in different state	1,176	60.0%
Foreign born	2	0.1%
Naturalized citizen	15	0.8%
Not a US citizen	3	20.0%

Ancestry

Ancestry	Count	%
Dutch	347	17.7%
French	212	10.8%
Italian	184	9.4%
Polish	57	2.9%

Ancestry	Count	%
Arab	49	2.5%
English	45	2.3%
German	6	0.3%

Technology access

Metric	% of households
Computer access	36.0%
Internet access	91.9%

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

Frequently asked questions

What ZIP codes does Underwood, IA have?

Underwood, IA has one ZIP code: 51576. Each ZIP code serves a distinct delivery area within the city and surrounding region.