Walnut ZIP Codes — Pottawattamie County, IA

There is one unique ZIP code in Walnut, Iowa and it is 51577. Area code: 712.

ZIP codes

83.56

sq mi land

0.02

sq mi water

712

area code

Walnut, IA ZIP code map

About Walnut, IA

Walnut, Iowa, is a charming small town located in Pottawattamie County. Known for its friendly community and rich history, Walnut offers a unique blend of rural charm and local culture. With a single ZIP code of 51577, it presents a cozy atmosphere for both residents and visitors.

Location & geography

Walnut is situated in western Iowa, approximately 40 miles east of Omaha, Nebraska. The town covers a land area of 83.56 square miles, with a minimal water area of 0.02 square miles. Surrounded by the scenic landscapes of Pottawattamie County, Walnut is bordered by several nearby cities, including Atlantic, which is about 20 miles to the southwest, and Carson, roughly 10 miles to the north.

Community & economy

The community of Walnut is known for its warm atmosphere and community engagement, with locals often participating in various events and activities. The town has a rich agricultural background, with industries primarily focused on farming and local businesses that support this lifestyle. Daily life in Walnut revolves around a close-knit community, where residents appreciate the quiet country living intertwined with small-town camaraderie.

Transportation

Walnut is conveniently accessed via U.S. Highway 6, facilitating travel to surrounding areas. The nearest airport with commercial services is Eppley Airfield, located approximately 45 miles away in Omaha, Nebraska. Local transportation may also include personal vehicles and regional transit options for those looking to explore the area.

History

Walnut was founded in the late 19th century and quickly developed as a hub for the nearby agricultural community. The town's economy has historically revolved around farming, with various local businesses supporting these efforts over the decades. Notable events in Walnut's history include the establishment of the famous Walnut Antique City, which attracts visitors seeking antiques and collectibles.

Did you know?

A lesser-known fact about Walnut is its designation as the 'Antique City,' drawing treasure hunters from across the country. The town has a unique collection of antique shops that showcase its rich history and charm.

ZIP codes for Walnut, IA (1)

ZIP code	City	County	Map
51577	Walnut	Pottawattamie	View map

Demographics & statistics

1,326

Population

59.9

Median age

$62,500

Median household income

$32,947

Per capita income

$121,100

Median home value

$790

Median monthly rent

74.5%

Home ownership

7.7%

Poverty rate

4.6%

Unemployment

453

Housing units

20.1%

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

141

65–74

147

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	193	14.6%
18 and over	1,133	85.4%
65 and over	546	41.2%
Median age	59.9 years

Race & ethnicity

White 95.1%

Two or more races 2.2%

Black or African American 1.8%

Hispanic or Latino 0.8%

Other race 0.1%

Group	Count	%
White	1,271	95.1%
Two or more races	29	2.2%
Black or African American	24	1.8%
Hispanic or Latino	11	0.8%
Other race	2	0.1%

Household income

Under $10k 3.2%

$10k–$15k 5.1%

$15k–$25k 9.5%

$25k–$35k 7.1%

$35k–$50k 14.6%

$50k–$75k 22.7%

$75k–$100k 13.0%

$100k–$150k 14.4%

$150k–$200k 4.5%

$200k+ 5.7%

Range	% of households
Under $10k	3.2%
$10k–$15k	5.1%
$15k–$25k	9.5%
$25k–$35k	7.1%
$35k–$50k	14.6%
$50k–$75k	22.7%
$75k–$100k	13.0%
$100k–$150k	14.4%
$150k–$200k	4.5%
$200k+	5.7%
Median income	$62,500

Housing

Home values

Under $50k 8.0%

$50k–$100k 26.8%

$100k–$150k 33.4%

$150k–$200k 14.3%

$200k–$300k 8.5%

$300k–$500k 5.8%

$1M+ 3.2%

Housing overview

Metric	Value
Median home value	$121,100
Median rent / month	$790
Owner occupied	74.5%
Renter occupied	25.5%
Vacant	13.1%
Single-family detached	84.2%
Large apartment buildings	8.9%
Mobile homes	2.7%
Median rooms	6.4
Avg household size (owned)	2.08

Year built

Era	%
2020 or later	0.0%
2010–2019	2.1%
2000–2009	0.7%
1990–1999	1.2%
1980–1989	3.6%
1970–1979	6.2%
1960–1969	18.2%
1950–1959	9.1%
1940–1949	3.3%
1939 or earlier	55.7%

Bedrooms

Size	% of units
No bedroom (studio)	2.1%
1 bedroom	11.9%
2 bedrooms	19.1%
3 bedrooms	40.0%
4 bedrooms	22.7%
5+ bedrooms	4.3%

Vehicles per household

Vehicles	% of households
No vehicle	6.7%
1 vehicle	30.2%
2 vehicles	26.5%
3 or more	36.6%

Heating fuel

Fuel type	%
Utility gas	52.2%
Electricity	24.5%
Propane / LP gas	23.3%

Households & families

Household type	Count	%
Married-couple family	210	41.5%
Cohabiting couple	8	1.6%
Male householder, no spouse	134	26.5%
Female householder, no spouse	154	30.4%
Households with children under 18	98	19.4%
Households with seniors (65+)	227	44.9%
Average household size	2.01

Marital status

Status	Male	Female
Never married	35.0%	10.1%
Married	39.7%	41.6%
Separated	0.0%	1.7%
Widowed	3.5%	29.0%
Divorced	21.8%	17.6%

Education

Less than 9th grade 2.0%

Some HS, no diploma 4.8%

HS graduate 35.9%

Some college, no degree 17.8%

Associate's degree 19.4%

Bachelor's degree 16.4%

Graduate / professional 3.8%

Metric	%
HS diploma or higher	93.2%
Bachelor's or higher	20.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	15	9.7%
Kindergarten	5	3.2%
Elementary school	58	37.4%
High school	66	42.6%
College / grad school	11	7.1%

Employment

Industry of employment

Retail trade 20.1%

Education & healthcare 18.8%

Transportation & utilities 12.3%

Finance & real estate 10.5%

Agriculture & mining 7.7%

Manufacturing 6.7%

Professional & management 6.1%

Construction 4.6%

Public administration 3.8%

Wholesale trade 3.4%

Other services 3.4%

Arts, food & hospitality 1.3%

Information 1.1%

Occupation

Category	%
Management, business & arts	34.7%
Service	11.7%
Sales & office	21.5%
Natural resources & construction	10.2%
Production & transportation	22.0%

Employment type

Type	%
Private sector	78.7%
Government	9.0%
Self-employed	12.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	84.8%
Carpool	4.6%
Public transit	0.0%
Walk	0.0%
Other means	0.4%
Avg commute (minutes)	21.0

Poverty

All people 7.7%

Under 18 years 7.7%

18 and over 7.7%

Married-couple families 1.0%

Female-led households 11.9%

Income support

Source	% of households
Social Security	43.7%
Retirement income	27.7%
Supplemental Security	3.8%
Cash public assistance	4.0%
Food stamps / SNAP	6.3%

Health indicators

Condition	%
High blood pressure	37.9%
High cholesterol	36.0%
Heart disease	8.1%
Stroke	3.6%
Asthma	9.5%
Arthritis	30.6%
Kidney disease	3.3%
Pulmonary disease	7.9%
Cancer	8.4%

Behavior / access	%
Binge drinking	19.1%
No physical activity	27.1%
Less than 7 hrs sleep	30.9%
Fair or poor health	14.0%
Poor mental health	13.0%
Poor physical health	10.5%
No health insurance	8.6%
Visited doctor (checkup)	76.8%
Visited dentist	65.2%
Cholesterol screening	90.1%
Teeth loss	13.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	147	13.0%

Disability	%
Any disability	16.3%
Under 18	2.1%
18–64 years	10.0%
65 and over	37.5%

Health insurance coverage

Type	%
Private insurance	70.1%
Public insurance	43.2%
Uninsured under 19	7.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,276	96.2%
Spanish	9	0.7%
Other Indo-European	9	0.7%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,315	99.2%
Born in same state	1,315	99.2%
Born in different state	1,043	78.7%
Foreign born	0	0.0%
Naturalized citizen	11	0.8%
Not a US citizen	2	18.2%

Ancestry

Ancestry	Count	%
Dutch	139	10.5%
Italian	134	10.1%
French	53	4%
Arab	35	2.6%
Polish	27	2%

Ancestry	Count	%
English	17	1.3%
German	6	0.5%
Norwegian	6	0.5%
Irish	2	0.2%

Technology access

Metric	% of households
Computer access	38.2%
Internet access	85.8%

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

Frequently asked questions

What ZIP codes does Walnut, IA have?

Walnut, IA has one ZIP code: 51577. Each ZIP code serves a distinct delivery area within the city and surrounding region.