Gilman ZIP Codes — Marshall County, IA

There is one unique ZIP code in Gilman, Iowa and it is 50106. Area code: 641.

ZIP codes

67.71

sq mi land

0.04

sq mi water

641

area code

Gilman, IA ZIP code map

About Gilman, IA

Gilman is a small yet charming city located in Iowa, specifically within Marshall County. This community offers a blend of rural charm and close-knit society, making it an appealing place for both residents and visitors. With its rich agriculture and local businesses, Gilman showcases the essence of Midwestern life.

Location & geography

Gilman is situated in central Iowa, providing a convenient location for travelers. Notable cities nearby include Marshalltown, which is approximately 17 miles to the east, and Grinnell, located about 12 miles to the north. The city itself covers a land area of 67.71 square miles, complemented by a very slight water area of 0.04 square miles.

Community & economy

The community of Gilman is characterized by its friendly atmosphere and strong local values. Agriculture plays a vital role in the economy, along with small businesses that cater to the needs of residents. Daily life in Gilman revolves around community events, local schools, and outdoor activities, fostering a close community spirit.

Transportation

Gilman is accessible via several state highways, including Highway 146, which connects it to nearby urban areas. The nearest major airport is the Des Moines International Airport, located approximately 50 miles to the southwest, providing connections for both commercial and private flights. Public transportation options are limited, so owning a vehicle is common for residents.

History

Gilman was established in the late 19th century and has roots tied to the agricultural boom in Iowa. Over the years, it has maintained a focus on farming as a key industry, which remains integral to its identity. Key historical events include the construction of the railroad that bolstered its growth and accessibility in the early 1900s.

Did you know?

A little-known fact about Gilman is that it is home to the historic Gilman Schoolhouse, which reflects the city's commitment to education and community values. Additionally, Gilman's close proximity to larger towns gives residents opportunities for varied cultural experiences while still enjoying small-town life.

ZIP codes for Gilman, IA (1)

ZIP code	City	County	Map
50106	Gilman	Marshall	View map

Demographics & statistics

1,182

Population

42.1

Median age

$94,783

Median household income

$45,099

Per capita income

$107,500

Median home value

$663

Median monthly rent

90.6%

Home ownership

6.9%

Poverty rate

3.7%

Unemployment

474

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

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	334	28.3%
18 and over	848	71.7%
65 and over	164	13.9%
Median age	42.1 years

Race & ethnicity

White 96.6%

Two or more races 2.7%

Hispanic or Latino 0.3%

Asian 0.3%

Group	Count	%
White	1,146	96.6%
Two or more races	32	2.7%
Hispanic or Latino	4	0.3%
Asian	4	0.3%

Household income

Under $10k 4.1%

$10k–$15k 0.6%

$15k–$25k 3.5%

$25k–$35k 3.3%

$35k–$50k 7.2%

$50k–$75k 15.6%

$75k–$100k 19.9%

$100k–$150k 35.2%

$150k–$200k 5.5%

$200k+ 5.1%

Range	% of households
Under $10k	4.1%
$10k–$15k	0.6%
$15k–$25k	3.5%
$25k–$35k	3.3%
$35k–$50k	7.2%
$50k–$75k	15.6%
$75k–$100k	19.9%
$100k–$150k	35.2%
$150k–$200k	5.5%
$200k+	5.1%
Median income	$94,783

Housing

Home values

Under $50k 7.9%

$50k–$100k 35.7%

$100k–$150k 23.5%

$150k–$200k 8.1%

$200k–$300k 17.4%

$300k–$500k 5.2%

$500k–$1M 2.0%

Housing overview

Metric	Value
Median home value	$107,500
Median rent / month	$663
Owner occupied	90.6%
Renter occupied	9.4%
Vacant	6.2%
Single-family detached	91.7%
Large apartment buildings	0.6%
Mobile homes	2.5%
Median rooms	6.4
Avg household size (owned)	2.42

Year built

Era	%
2020 or later	0.0%
2010–2019	0.4%
2000–2009	3.5%
1990–1999	9.0%
1980–1989	3.5%
1970–1979	12.9%
1960–1969	0.6%
1950–1959	19.8%
1940–1949	3.1%
1939 or earlier	47.3%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	1.5%
2 bedrooms	16.7%
3 bedrooms	49.4%
4 bedrooms	23.1%
5+ bedrooms	9.2%

Vehicles per household

Vehicles	% of households
No vehicle	1.0%
1 vehicle	29.3%
2 vehicles	26.6%
3 or more	43.0%

Heating fuel

Fuel type	%
Utility gas	1.2%
Electricity	16.4%
Propane / LP gas	82.4%

Households & families

Household type	Count	%
Married-couple family	261	53.5%
Cohabiting couple	69	14.1%
Male householder, no spouse	40	8.2%
Female householder, no spouse	118	24.2%
Households with children under 18	171	35.0%
Households with seniors (65+)	137	28.1%
Average household size	2.42

Marital status

Status	Male	Female
Never married	28.6%	18.3%
Married	58.7%	55.4%
Separated	2.9%	1.6%
Widowed	2.7%	4.7%
Divorced	7.0%	20.1%

Education

Less than 9th grade 5.1%

Some HS, no diploma 1.9%

HS graduate 33.3%

Some college, no degree 22.4%

Associate's degree 17.3%

Bachelor's degree 12.9%

Graduate / professional 7.1%

Metric	%
HS diploma or higher	93.0%
Bachelor's or higher	20.1%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	3	1.2%
Kindergarten	23	9.1%
Elementary school	148	58.7%
High school	65	25.8%
College / grad school	13	5.2%

Employment

Industry of employment

Education & healthcare 32.7%

Agriculture & mining 17.6%

Manufacturing 12.9%

Construction 8.1%

Retail trade 7.3%

Other services 5.6%

Professional & management 5.0%

Wholesale trade 3.1%

Finance & real estate 2.3%

Arts, food & hospitality 2.3%

Transportation & utilities 1.3%

Public administration 1.1%

Information 0.8%

Occupation

Category	%
Management, business & arts	42.3%
Service	12.6%
Sales & office	18.5%
Natural resources & construction	15.5%
Production & transportation	11.1%

Employment type

Type	%
Private sector	75.3%
Government	12.1%
Self-employed	12.1%
Unpaid family workers	0.5%

Commute

Method	%
Drive alone	84.4%
Carpool	10.1%
Public transit	0.0%
Walk	1.8%
Other means	0.8%
Avg commute (minutes)	23.5

Poverty

All people 6.9%

Under 18 years 13.3%

18 and over 4.4%

Married-couple families 0.0%

Female-led households 51.9%

Income support

Source	% of households
Social Security	31.1%
Retirement income	20.9%
Supplemental Security	0.6%
Cash public assistance	1.4%
Food stamps / SNAP	7.0%

Health indicators

Condition	%
High blood pressure	34.2%
High cholesterol	36.0%
Heart disease	6.9%
Stroke	3.1%
Asthma	8.9%
Arthritis	25.8%
Kidney disease	2.9%
Pulmonary disease	6.9%
Cancer	7.7%

Behavior / access	%
Binge drinking	20.2%
No physical activity	26.4%
Less than 7 hrs sleep	30.2%
Fair or poor health	12.2%
Poor mental health	12.7%
Poor physical health	9.7%
No health insurance	8.9%
Visited doctor (checkup)	75.3%
Visited dentist	68.3%
Cholesterol screening	90.2%
Teeth loss	11.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	56	6.6%

Disability	%
Any disability	6.0%
Under 18	1.5%
18–64 years	5.0%
65 and over	19.5%

Health insurance coverage

Type	%
Private insurance	69.8%
Public insurance	29.8%
Uninsured under 19	19.4%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,077	91.1%
Spanish	42	3.9%
Other Indo-European	0	0.0%
Asian & Pacific Islander	42	3.9%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,182	100.0%
Born in same state	1,179	99.7%
Born in different state	910	77.0%
Foreign born	3	0.3%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Arab	156	13.2%
French	105	8.9%
Polish	76	6.4%

Ancestry	Count	%
Italian	65	5.5%
Dutch	20	1.7%
English	11	0.9%

Technology access

Metric	% of households
Computer access	41.3%
Internet access	96.3%

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

Frequently asked questions

What ZIP codes does Gilman, IA have?

Gilman, IA has one ZIP code: 50106. Each ZIP code serves a distinct delivery area within the city and surrounding region.