Marshalltown ZIP Code List — Marshall County, IA

There is one unique ZIP code in Marshalltown, Iowa and it is 50158. Area code: 641.

ZIP codes

212.16

sq mi land

0.22

sq mi water

641

area code

Marshalltown, IA ZIP code map

About Marshalltown, IA

Marshalltown is a vibrant city located in central Iowa, known for its welcoming community and small-town charm. This city, situated in Marshall County, offers a unique blend of historical significance and modern amenities. With its rich heritage and a variety of family-friendly activities, Marshalltown is a great place to live, work, and visit.

Location & geography

Marshalltown is geographically positioned in the heart of Iowa, making it accessible from various nearby cities. Notable cities in the vicinity include Ames, which is approximately 30 miles to the west, Waterloo about 32 miles to the northeast, and Des Moines, located roughly 55 miles to the south. The city covers a total land area of 212.16 square miles, with a small water area of 0.22 square miles, providing a mix of urban and natural landscapes.

Community & economy

The community of Marshalltown is characterized by its strong sense of camaraderie and active participation in local events. The economy here is diverse, with key industries including manufacturing, healthcare, and education, contributing to a stable job market. Residents enjoy a quality lifestyle that features local parks, recreational facilities, and a variety of cultural activities throughout the year.

Transportation

Marshalltown is well-connected via several major highways, including U.S. Route 14 and Iowa Highway 330, facilitating easy travel within the state. The nearest airport for commercial flights is the Des Moines International Airport, which is about an hour's drive from the city. Public transport options are also available, further enhancing accessibility for residents and visitors.

History

Marshalltown was founded in the mid-19th century and has a rich history tied to the development of industry and commerce in the region. Early notable industries included the manufacture of tools and machinery, which contributed to the city’s growth and prosperity. Historical events, such as the devastating tornado of 1882, shaped the resilience and community spirit of the residents.

Did you know?

A surprising fact about Marshalltown is that it is home to the annual Central Iowa Fair, which attracts thousands of visitors every summer. Additionally, the city has a prominent place in the history of the national baseball movement, having produced a number of notable players over the years.

ZIP codes for Marshalltown, IA (1)

ZIP code	City	County	Map
50158	Marshalltown	Marshall	View map

Demographics & statistics

31,047

Population

37.3

Median age

$68,322

Median household income

$29,585

Per capita income

$124,600

Median home value

$831

Median monthly rent

70.2%

Home ownership

12.9%

Poverty rate

6.2%

Unemployment

9,153

Housing units

20.5%

Bachelor's or higher

Age distribution

Male Female

985

Under 5

950

1,170

5–9

1,128

1,244

10–14

1,200

1,167

15–19

1,125

1,045

20–24

1,007

1,851

25–34

1,784

1,783

35–44

1,720

1,765

45–54

1,702

1,011

55–59

974

1,020

60–64

983

1,506

65–74

1,452

838

75–84

809

422

85+

406

← Male

Female →

Age summary

Group	Count	%
Under 18	8,063	26.0%
18 and over	22,984	74.0%
65 and over	5,433	17.5%
Median age	37.3 years

Race & ethnicity

White 63.8%

Hispanic or Latino 13.8%

Two or more races 9%

Other race 6.2%

Asian 4.1%

Black or African American 2.3%

American Indian / Alaska Native 0.8%

Group	Count	%
White	22,996	63.8%
Hispanic or Latino	4,981	13.8%
Two or more races	3,254	9%
Other race	2,232	6.2%
Asian	1,467	4.1%
Black or African American	827	2.3%
American Indian / Alaska Native	271	0.8%

Household income

Under $10k 4.9%

$10k–$15k 3.8%

$15k–$25k 10.0%

$25k–$35k 7.1%

$35k–$50k 12.6%

$50k–$75k 16.4%

$75k–$100k 16.6%

$100k–$150k 19.7%

$150k–$200k 5.4%

$200k+ 3.5%

Range	% of households
Under $10k	4.9%
$10k–$15k	3.8%
$15k–$25k	10.0%
$25k–$35k	7.1%
$35k–$50k	12.6%
$50k–$75k	16.4%
$75k–$100k	16.6%
$100k–$150k	19.7%
$150k–$200k	5.4%
$200k+	3.5%
Median income	$68,322

Housing

Home values

Under $50k 8.7%

$50k–$100k 30.9%

$100k–$150k 21.6%

$150k–$200k 15.6%

$200k–$300k 15.2%

$300k–$500k 6.9%

$500k–$1M 0.8%

$1M+ 0.3%

Housing overview

Metric	Value
Median home value	$124,600
Median rent / month	$831
Owner occupied	70.2%
Renter occupied	29.8%
Vacant	8.6%
Single-family detached	74.6%
Large apartment buildings	5.3%
Mobile homes	2.9%
Median rooms	5.7
Avg household size (owned)	2.68

Year built

Era	%
2020 or later	0.1%
2010–2019	3.0%
2000–2009	5.6%
1990–1999	6.5%
1980–1989	5.2%
1970–1979	13.3%
1960–1969	14.3%
1950–1959	15.9%
1940–1949	6.3%
1939 or earlier	29.8%

Bedrooms

Size	% of units
No bedroom (studio)	2.9%
1 bedroom	9.7%
2 bedrooms	26.6%
3 bedrooms	40.6%
4 bedrooms	15.5%
5+ bedrooms	4.7%

Vehicles per household

Vehicles	% of households
No vehicle	8.7%
1 vehicle	28.9%
2 vehicles	35.3%
3 or more	27.1%

Heating fuel

Fuel type	%
Utility gas	61.6%
Electricity	25.2%
Propane / LP gas	11.8%
Wood	0.4%
No fuel used	0.2%

Households & families

Household type	Count	%
Married-couple family	5,922	51.5%
Cohabiting couple	844	7.3%
Male householder, no spouse	2,224	19.3%
Female householder, no spouse	2,509	21.8%
Households with children under 18	4,008	34.9%
Households with seniors (65+)	3,280	28.5%
Average household size	2.57

Marital status

Status	Male	Female
Never married	35.0%	25.4%
Married	50.0%	54.3%
Separated	1.0%	1.5%
Widowed	3.8%	9.3%
Divorced	10.3%	9.4%

Education

Less than 9th grade 11.5%

Some HS, no diploma 6.5%

HS graduate 32.4%

Some college, no degree 19.1%

Associate's degree 9.9%

Bachelor's degree 14.3%

Graduate / professional 6.2%

Metric	%
HS diploma or higher	82.0%
Bachelor's or higher	20.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	521	6.9%
Kindergarten	607	8.1%
Elementary school	3,494	46.4%
High school	1,832	24.3%
College / grad school	1,079	14.3%

Employment

Industry of employment

Manufacturing 27.3%

Education & healthcare 21.8%

Retail trade 11.9%

Professional & management 8.5%

Construction 7.0%

Arts, food & hospitality 5.8%

Other services 3.5%

Finance & real estate 3.3%

Transportation & utilities 3.2%

Wholesale trade 2.4%

Agriculture & mining 2.2%

Public administration 2.0%

Information 1.1%

Occupation

Category	%
Management, business & arts	29.0%
Service	16.3%
Sales & office	17.0%
Natural resources & construction	11.2%
Production & transportation	26.5%

Employment type

Type	%
Private sector	81.4%
Government	13.0%
Self-employed	5.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	77.0%
Carpool	14.7%
Public transit	0.0%
Walk	2.6%
Other means	0.3%
Avg commute (minutes)	17.5

Poverty

All people 12.9%

Under 18 years 16.9%

18 and over 11.4%

Married-couple families 6.3%

Female-led households 41.2%

Income support

Source	% of households
Social Security	31.3%
Retirement income	22.4%
Supplemental Security	3.7%
Cash public assistance	2.3%
Food stamps / SNAP	11.9%

Health indicators

Condition	%
High blood pressure	34.1%
High cholesterol	35.0%
Heart disease	7.3%
Stroke	3.5%
Asthma	9.3%
Arthritis	25.0%
Kidney disease	3.2%
Pulmonary disease	7.6%
Cancer	7.1%

Behavior / access	%
Binge drinking	19.0%
No physical activity	31.8%
Less than 7 hrs sleep	30.9%
Fair or poor health	15.6%
Poor mental health	13.8%
Poor physical health	11.0%
No health insurance	14.4%
Visited doctor (checkup)	74.3%
Visited dentist	61.7%
Cholesterol screening	86.8%
Teeth loss	15.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,308	10.0%

Disability	%
Any disability	12.1%
Under 18	2.3%
18–64 years	11.4%
65 and over	32.7%

Health insurance coverage

Type	%
Private insurance	66.3%
Public insurance	43.2%
Uninsured under 19	1.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	29,112	93.8%
Spanish	4,843	16.6%
Other Indo-European	3,660	12.6%
Asian & Pacific Islander	153	0.5%
Other languages	914	3.1%

Place of birth & citizenship

Origin	Count	%
Native born (US)	25,850	83.3%
Born in same state	25,296	81.5%
Born in different state	19,160	61.7%
Foreign born	554	1.8%
Naturalized citizen	5,197	16.7%
Not a US citizen	1,909	36.7%

Ancestry

Ancestry	Count	%
French	2,358	7.6%
Italian	2,237	7.2%
Arab	1,339	4.3%
Polish	909	2.9%
English	515	1.7%

Ancestry	Count	%
Dutch	438	1.4%
German	17	0.1%
Irish	9	0%
Norwegian	7	0%

Technology access

Metric	% of households
Computer access	37.0%
Internet access	92.0%

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

Frequently asked questions

What is the ZIP code for Marshalltown, IA?

Marshalltown, IA has one ZIP code: 50158.

What is the main ZIP code for Marshalltown, IA?

The primary ZIP code for Marshalltown, IA is 50158. The city uses area code 641 for phone service.

What county is Marshalltown, IA in?

Marshalltown is located in Marshall County, Iowa.

How many ZIP codes are in Marshalltown, IA?

Marshalltown, IA has 1 ZIP code.

What ZIP code covers downtown Marshalltown and the historic Main Street business district?

Downtown Marshalltown, including the historic Main Street area and central business district, is located in ZIP code 50158.

What is the ZIP code for the Marshalltown Community College campus and surrounding educational institutions?

Marshalltown Community College and the surrounding educational area are served by ZIP code 50158, which covers the entire city.