Lamoni ZIP Codes — Decatur County, IA

There is one unique ZIP code in Lamoni, Iowa and it is 50140. Area code: 641.

ZIP codes

92.67

sq mi land

0.78

sq mi water

641

area code

Lamoni, IA ZIP code map

About Lamoni, IA

Lamoni, Iowa, is a small city located in the heart of Decatur County. With a rich history and a friendly community atmosphere, it serves as a hub for visitors and residents alike. Surrounded by beautiful landscapes, Lamoni offers a unique blend of rural charm and modern convenience.

Location & geography

Lamoni is situated in south-central Iowa, close to the borders of Missouri. The city is approximately 20 miles southwest of the larger town of Osceola and is bordered by the towns of Leon and Garden Grove. It covers a total area of 92.67 square miles, with 0.78 square miles designated as water, contributing to its scenic beauty.

Community & economy

The character of Lamoni is warm and welcoming, with a strong sense of community among its residents. Industries in the area include agriculture, education, and retail, providing various employment opportunities and services. Daily life in Lamoni is enhanced by local amenities and events that foster a tight-knit environment where neighbors know each other.

Transportation

Lamoni is easily accessible via U.S. Highway 69, which connects it to nearby towns and larger cities. The nearest regional airport is the Osceola Municipal Airport, located about 20 miles to the northwest. Public transit options are limited, but the city’s layout promotes walkability and local travel.

History

Founded in the late 1800s, Lamoni has a rich historical backdrop shaped by the early settlers and the establishment of Graceland University in 1895. The city has historically been a center for education and agriculture, playing a significant role in the development of the region. Notable events in its history include the growth stemming from its connection to the Mormon community, which has influenced its cultural landscape.

Did you know?

A surprising fact about Lamoni is that it is home to Graceland University, which was established by the Community of Christ Church and highlights the city's educational significance. Additionally, Lamoni’s location near the state border makes it a convenient stop for travelers heading toward Missouri.

ZIP codes for Lamoni, IA (1)

ZIP code	City	County	Map
50140	Lamoni	Decatur	View map

Demographics & statistics

2,973

Population

29.3

Median age

$54,808

Median household income

$24,005

Per capita income

$107,500

Median home value

$701

Median monthly rent

59.0%

Home ownership

21.7%

Poverty rate

7.2%

Unemployment

775

Housing units

50.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

224

15–19

215

221

20–24

212

145

25–34

139

118

35–44

114

145

45–54

139

55–59

60–64

136

65–74

131

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	613	20.6%
18 and over	2,360	79.4%
65 and over	499	16.8%
Median age	29.3 years

Race & ethnicity

White 85.6%

Two or more races 5.6%

Black or African American 3.2%

Hispanic or Latino 2%

Asian 1.4%

Other race 1.3%

American Indian / Alaska Native 0.7%

Native Hawaiian / Pacific Islander 0.3%

Group	Count	%
White	2,595	85.6%
Two or more races	171	5.6%
Black or African American	96	3.2%
Hispanic or Latino	60	2%
Asian	42	1.4%
Other race	39	1.3%
American Indian / Alaska Native	20	0.7%
Native Hawaiian / Pacific Islander	10	0.3%

Household income

Under $10k 6.5%

$10k–$15k 7.5%

$15k–$25k 12.1%

$25k–$35k 4.9%

$35k–$50k 17.1%

$50k–$75k 17.9%

$75k–$100k 11.6%

$100k–$150k 15.8%

$150k–$200k 3.9%

$200k+ 2.6%

Range	% of households
Under $10k	6.5%
$10k–$15k	7.5%
$15k–$25k	12.1%
$25k–$35k	4.9%
$35k–$50k	17.1%
$50k–$75k	17.9%
$75k–$100k	11.6%
$100k–$150k	15.8%
$150k–$200k	3.9%
$200k+	2.6%
Median income	$54,808

Housing

Home values

Under $50k 6.5%

$50k–$100k 37.6%

$100k–$150k 28.0%

$150k–$200k 9.0%

$200k–$300k 9.8%

$300k–$500k 8.0%

$500k–$1M 1.1%

Housing overview

Metric	Value
Median home value	$107,500
Median rent / month	$701
Owner occupied	59.0%
Renter occupied	41.0%
Vacant	13.4%
Single-family detached	73.2%
Large apartment buildings	7.7%
Mobile homes	3.3%
Median rooms	5.8
Avg household size (owned)	2.62

Year built

Era	%
2020 or later	0.0%
2010–2019	4.2%
2000–2009	7.8%
1990–1999	10.8%
1980–1989	14.7%
1970–1979	20.4%
1960–1969	8.0%
1950–1959	4.0%
1940–1949	2.4%
1939 or earlier	27.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.9%
1 bedroom	18.7%
2 bedrooms	16.9%
3 bedrooms	42.2%
4 bedrooms	13.2%
5+ bedrooms	8.1%

Vehicles per household

Vehicles	% of households
No vehicle	10.4%
1 vehicle	32.1%
2 vehicles	31.6%
3 or more	25.9%

Heating fuel

Fuel type	%
Utility gas	47.5%
Electricity	33.0%
Propane / LP gas	13.0%
Fuel oil	0.6%
Wood	5.3%

Households & families

Household type	Count	%
Married-couple family	560	53.8%
Cohabiting couple	49	4.7%
Male householder, no spouse	188	18.1%
Female householder, no spouse	243	23.4%
Households with children under 18	303	29.1%
Households with seniors (65+)	334	32.1%
Average household size	2.33

Marital status

Status	Male	Female
Never married	41.2%	34.5%
Married	51.4%	49.3%
Separated	0.0%	2.6%
Widowed	2.1%	6.3%
Divorced	5.3%	7.4%

Education

Less than 9th grade 4.5%

Some HS, no diploma 6.2%

HS graduate 20.8%

Some college, no degree 12.4%

Associate's degree 5.6%

Bachelor's degree 25.4%

Graduate / professional 25.1%

Metric	%
HS diploma or higher	89.3%
Bachelor's or higher	50.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	5	0.4%
Kindergarten	24	2.1%
Elementary school	252	22.5%
High school	138	12.3%
College / grad school	699	62.5%

Employment

Industry of employment

Education & healthcare 45.2%

Arts, food & hospitality 13.9%

Retail trade 9.8%

Manufacturing 5.8%

Professional & management 5.5%

Finance & real estate 4.4%

Transportation & utilities 3.2%

Construction 3.1%

Agriculture & mining 3.0%

Public administration 2.9%

Other services 1.9%

Information 0.7%

Wholesale trade 0.5%

Occupation

Category	%
Management, business & arts	46.7%
Service	18.8%
Sales & office	21.9%
Natural resources & construction	4.7%
Production & transportation	7.9%

Employment type

Type	%
Private sector	71.1%
Government	20.3%
Self-employed	8.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	63.6%
Carpool	10.8%
Public transit	0.0%
Walk	14.0%
Other means	0.4%
Avg commute (minutes)	16.0

Poverty

All people 21.7%

Under 18 years 31.2%

18 and over 18.6%

Married-couple families 13.8%

Female-led households 16.7%

Income support

Source	% of households
Social Security	37.3%
Retirement income	21.6%
Supplemental Security	2.3%
Cash public assistance	1.5%
Food stamps / SNAP	10.2%

Health indicators

Condition	%
High blood pressure	29.2%
High cholesterol	28.5%
Heart disease	6.2%
Stroke	3.0%
Asthma	10.2%
Arthritis	21.7%
Kidney disease	2.8%
Pulmonary disease	6.7%
Cancer	5.8%

Behavior / access	%
Binge drinking	21.8%
No physical activity	24.3%
Less than 7 hrs sleep	30.5%
Fair or poor health	13.2%
Poor mental health	15.6%
Poor physical health	9.5%
No health insurance	10.6%
Visited doctor (checkup)	73.8%
Visited dentist	62.7%
Cholesterol screening	81.5%
Teeth loss	16.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	135	5.7%

Disability	%
Any disability	15.7%
Under 18	7.3%
18–64 years	13.6%
65 and over	34.6%

Health insurance coverage

Type	%
Private insurance	71.6%
Public insurance	33.0%
Uninsured under 19	15.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,786	93.7%
Spanish	113	4.1%
Other Indo-European	18	0.6%
Asian & Pacific Islander	61	2.2%
Other languages	34	1.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,816	94.7%
Born in same state	2,804	94.3%
Born in different state	1,642	55.2%
Foreign born	12	0.4%
Naturalized citizen	157	5.3%
Not a US citizen	21	13.4%

Ancestry

Ancestry	Count	%
French	315	10.6%
Italian	239	8%
Polish	128	4.3%
Arab	112	3.8%

Ancestry	Count	%
English	69	2.3%
Dutch	43	1.4%
German	5	0.2%

Technology access

Metric	% of households
Computer access	35.0%
Internet access	92.0%

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

Frequently asked questions

What ZIP codes does Lamoni, IA have?

Lamoni, IA has one ZIP code: 50140. Each ZIP code serves a distinct delivery area within the city and surrounding region.