Iron ZIP Codes — Saint Louis County, MN

There is one unique ZIP code in Iron, Minnesota and it is 55751. Area code: 218.

ZIP codes

60.21

sq mi land

0.71

sq mi water

218

area code

Iron, MN ZIP code map

About Iron, MN

Iron is a small city located in the state of Minnesota, known for its rich mining history and serene landscapes. Nestled within Saint Louis County, Iron presents a quaint, close-knit community atmosphere. This picturesque area serves as a gateway to Minnesota's beautiful natural resources and outdoor activities.

Location & geography

Iron, MN, spans a land area of 60.21 square miles and features a minor water area of 0.71 square miles. The city is surrounded by beautiful wilderness and is located roughly 20 miles northeast of Virginia, MN, and about 27 miles southwest of Ely, MN. Its diverse terrain includes forests, lakes, and rivers, making it an excellent spot for outdoor enthusiasts.

Community & economy

Iron's character is defined by its welcoming community, which thrives on a mix of residential life and natural beauty. The local economy has historically revolved around mining, but today, a variety of industries contribute to the daily life of its residents. People in Iron enjoy outdoor activities, including hiking, fishing, and snowmobiling, fostering a strong appreciation for their natural environment.

Transportation

Access to Iron, MN, is facilitated by several highways, including U.S. Route 53, which connects the city to nearby regions. The nearest major airport is the Range Regional Airport, situated approximately 25 miles away in Hibbing. Local transit options are limited, but the supportive community often helps one another with transportation needs.

History

Iron was founded during the iron mining boom in the late 19th century, which played a pivotal role in the local economy. With natural iron ore deposits in the area, mining became a significant industry for Iron, attracting many workers and their families. Over the years, the focus has shifted from mining to a lifestyle centered around nature and outdoor activities.

Did you know?

One surprising fact about Iron, MN, is that it has only one ZIP code, which is 55751. Additionally, residents enjoy the picturesque landscapes of the nearby Iron Range, which has become a popular destination for tourists seeking adventure in nature.

ZIP codes for Iron, MN (1)

ZIP code	City	County	Map
55751	Iron	Saint Louis	View map

Demographics & statistics

1,343

Population

54.0

Median age

$75,461

Median household income

$36,397

Per capita income

$175,200

Median home value

$788

Median monthly rent

94.3%

Home ownership

6.7%

Poverty rate

2.4%

Unemployment

665

Housing units

14.6%

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

144

65–74

131

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	283	21.1%
18 and over	1,060	78.9%
65 and over	396	29.5%
Median age	54.0 years

Race & ethnicity

White 95.6%

Two or more races 2.9%

Hispanic or Latino 1%

Black or African American 0.4%

Other race 0.1%

American Indian / Alaska Native 0.1%

Group	Count	%
White	1,296	95.6%
Two or more races	39	2.9%
Hispanic or Latino	13	1%
Black or African American	5	0.4%
Other race	2	0.1%
American Indian / Alaska Native	1	0.1%

Household income

Under $10k 3.5%

$10k–$15k 2.5%

$15k–$25k 3.0%

$25k–$35k 7.4%

$35k–$50k 11.1%

$50k–$75k 21.9%

$75k–$100k 18.4%

$100k–$150k 22.8%

$150k–$200k 6.5%

$200k+ 2.8%

Range	% of households
Under $10k	3.5%
$10k–$15k	2.5%
$15k–$25k	3.0%
$25k–$35k	7.4%
$35k–$50k	11.1%
$50k–$75k	21.9%
$75k–$100k	18.4%
$100k–$150k	22.8%
$150k–$200k	6.5%
$200k+	2.8%
Median income	$75,461

Housing

Home values

Under $50k 9.6%

$50k–$100k 13.0%

$100k–$150k 20.8%

$150k–$200k 17.9%

$200k–$300k 27.7%

$300k–$500k 9.6%

$500k–$1M 1.4%

Housing overview

Metric	Value
Median home value	$175,200
Median rent / month	$788
Owner occupied	94.3%
Renter occupied	5.7%
Vacant	14.6%
Single-family detached	83.0%
Large apartment buildings	0.0%
Mobile homes	16.9%
Median rooms	5.5
Avg household size (owned)	2.22

Year built

Era	%
2020 or later	0.9%
2010–2019	4.4%
2000–2009	11.9%
1990–1999	7.9%
1980–1989	13.9%
1970–1979	22.7%
1960–1969	4.7%
1950–1959	14.2%
1940–1949	5.3%
1939 or earlier	14.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.9%
1 bedroom	2.1%
2 bedrooms	26.2%
3 bedrooms	52.4%
4 bedrooms	16.0%
5+ bedrooms	2.4%

Vehicles per household

Vehicles	% of households
No vehicle	2.3%
1 vehicle	15.9%
2 vehicles	44.6%
3 or more	37.2%

Heating fuel

Fuel type	%
Utility gas	1.7%
Electricity	13.1%
Propane / LP gas	50.1%
Fuel oil	18.1%
Wood	13.4%

Households & families

Household type	Count	%
Married-couple family	356	59.6%
Cohabiting couple	61	10.2%
Male householder, no spouse	112	18.8%
Female householder, no spouse	68	11.4%
Households with children under 18	152	25.5%
Households with seniors (65+)	266	44.6%
Average household size	2.25

Marital status

Status	Male	Female
Never married	18.7%	13.0%
Married	62.1%	67.5%
Separated	0.0%	0.6%
Widowed	1.9%	8.6%
Divorced	17.3%	10.3%

Education

Less than 9th grade 0.7%

Some HS, no diploma 2.9%

HS graduate 34.9%

Some college, no degree 30.5%

Associate's degree 16.4%

Bachelor's degree 10.3%

Graduate / professional 4.2%

Metric	%
HS diploma or higher	96.4%
Bachelor's or higher	14.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	19	9.0%
Kindergarten	16	7.5%
Elementary school	98	46.2%
High school	55	25.9%
College / grad school	24	11.3%

Employment

Industry of employment

Education & healthcare 24.6%

Transportation & utilities 12.0%

Agriculture & mining 11.3%

Retail trade 10.0%

Manufacturing 8.8%

Arts, food & hospitality 6.7%

Construction 5.6%

Public administration 4.4%

Finance & real estate 4.2%

Other services 4.0%

Wholesale trade 3.7%

Professional & management 3.5%

Information 1.1%

Occupation

Category	%
Management, business & arts	26.6%
Service	15.1%
Sales & office	14.6%
Natural resources & construction	21.0%
Production & transportation	22.7%

Employment type

Type	%
Private sector	76.8%
Government	20.2%
Self-employed	3.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	89.5%
Carpool	5.3%
Public transit	0.0%
Walk	0.5%
Other means	0.4%
Avg commute (minutes)	23.5

Poverty

All people 6.7%

Under 18 years 4.3%

18 and over 7.4%

Married-couple families 2.8%

Female-led households 11.8%

Income support

Source	% of households
Social Security	47.6%
Retirement income	37.4%
Supplemental Security	4.0%
Cash public assistance	2.5%
Food stamps / SNAP	3.2%

Health indicators

Condition	%
High blood pressure	30.9%
High cholesterol	32.2%
Heart disease	6.1%
Stroke	2.8%
Asthma	9.1%
Arthritis	26.3%
Kidney disease	2.7%
Pulmonary disease	5.6%
Cancer	7.1%

Behavior / access	%
Binge drinking	21.7%
No physical activity	18.7%
Less than 7 hrs sleep	31.3%
Fair or poor health	11.2%
Poor mental health	13.2%
Poor physical health	9.5%
No health insurance	9.0%
Visited doctor (checkup)	68.9%
Visited dentist	67.2%
Cholesterol screening	91.3%
Teeth loss	9.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	104	9.8%

Disability	%
Any disability	13.8%
Under 18	1.4%
18–64 years	9.5%
65 and over	30.1%

Health insurance coverage

Type	%
Private insurance	82.4%
Public insurance	45.9%
Uninsured under 19	3.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,251	93.1%
Spanish	3	0.2%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,339	99.7%
Born in same state	1,335	99.4%
Born in different state	1,125	83.8%
Foreign born	4	0.3%
Naturalized citizen	4	0.3%
Not a US citizen	4	100.0%

Ancestry

Ancestry	Count	%
Polish	210	15.6%
Italian	75	5.6%
French	62	4.6%
Arab	17	1.3%

Ancestry	Count	%
German	11	0.8%
English	8	0.6%
Dutch	7	0.5%
Irish	1	0.1%

Technology access

Metric	% of households
Computer access	44.5%
Internet access	89.4%

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

Frequently asked questions

What ZIP codes does Iron, MN have?

Iron, MN has one ZIP code: 55751. Each ZIP code serves a distinct delivery area within the city and surrounding region.