Mountain Iron ZIP Codes — Saint Louis County, MN

There is one unique ZIP code in Mountain Iron, Minnesota and it is 55768. Area code: 218.

ZIP codes

89.29

sq mi land

2.88

sq mi water

218

area code

Mountain Iron, MN ZIP code map

About Mountain Iron, MN

Mountain Iron is a small city located in the state of Minnesota, known for its rich mining history. Nestled within Saint Louis County, it embodies the spirit of the Iron Range. With its beautiful landscapes and community-oriented atmosphere, Mountain Iron offers a unique blend of natural beauty and industrial heritage.

Location & geography

Mountain Iron is situated in the northeastern part of Minnesota, approximately 6 miles from the city of Virginia, 12 miles from Hibbing, and 4 miles from Buhl. The city spans a total land area of 89.29 square miles, accompanied by a water area of 2.88 square miles. This picturesque locale features a mixture of forests, lakes, and scenic terrain that defines the northern Minnesota landscape.

Community & economy

The character of Mountain Iron revolves around its close-knit community and its historical ties to the iron mining industry. Residents enjoy a relaxed lifestyle, with local gatherings, parks, and recreational activities promoting a strong sense of belonging. Daily life often includes outdoor activities such as fishing, hiking, and enjoying the natural scenery that surrounds the city.

Transportation

Mountain Iron is conveniently connected by major highways, including U.S. Highway 169, which provides access to neighboring areas. The nearest airport is the Range Regional Airport, located approximately 12 miles away in Hibbing, offering general aviation services. Public transportation options may be limited, but the city's layout makes it accessible for most residents.

History

Mountain Iron was founded in the early 1900s during the iron mining boom in Minnesota, which significantly shaped the region's economy and development. The city once housed several bustling mines, contributing to the iron industry that powered the nation during industrialization. Notable events include the city’s growth in the 1940s and 1950s when it became known for its key role in iron ore production.

Did you know?

One surprising fact about Mountain Iron is that it was once the site of the largest iron mine in the world during its peak production years. Additionally, the city is home to the Mountain Iron-Buhl School District, known for its commitment to education and community involvement.

ZIP codes for Mountain Iron, MN (1)

ZIP code	City	County	Map
55768	Mountain Iron	Saint Louis	View map

Demographics & statistics

2,649

Population

51.0

Median age

$66,023

Median household income

$38,070

Per capita income

$177,900

Median home value

Median monthly rent

72.3%

Home ownership

10.2%

Poverty rate

3.6%

Unemployment

951

Housing units

25.7%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

104

25–34

136

35–44

125

226

45–54

208

118

55–59

108

123

60–64

113

265

65–74

244

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	462	17.4%
18 and over	2,187	82.6%
65 and over	673	25.4%
Median age	51.0 years

Race & ethnicity

White 94.4%

Two or more races 2.8%

American Indian / Alaska Native 1.3%

Hispanic or Latino 1%

Asian 0.2%

Black or African American 0.2%

Group	Count	%
White	2,526	94.4%
Two or more races	76	2.8%
American Indian / Alaska Native	36	1.3%
Hispanic or Latino	26	1%
Asian	6	0.2%
Black or African American	5	0.2%

Household income

Under $10k 3.8%

$10k–$15k 3.2%

$15k–$25k 8.0%

$25k–$35k 11.0%

$35k–$50k 13.6%

$50k–$75k 14.3%

$75k–$100k 17.0%

$100k–$150k 18.2%

$150k–$200k 6.7%

$200k+ 4.3%

Range	% of households
Under $10k	3.8%
$10k–$15k	3.2%
$15k–$25k	8.0%
$25k–$35k	11.0%
$35k–$50k	13.6%
$50k–$75k	14.3%
$75k–$100k	17.0%
$100k–$150k	18.2%
$150k–$200k	6.7%
$200k+	4.3%
Median income	$66,023

Housing

Home values

Under $50k 6.9%

$50k–$100k 13.5%

$100k–$150k 15.1%

$150k–$200k 25.0%

$200k–$300k 24.1%

$300k–$500k 13.5%

$500k–$1M 0.5%

$1M+ 1.5%

Housing overview

Metric	Value
Median home value	$177,900
Median rent / month	$0
Owner occupied	72.3%
Renter occupied	27.7%
Vacant	6.5%
Single-family detached	70.1%
Large apartment buildings	17.3%
Mobile homes	2.1%
Median rooms	5.3
Avg household size (owned)	2.39

Year built

Era	%
2020 or later	0.8%
2010–2019	5.5%
2000–2009	10.1%
1990–1999	9.1%
1980–1989	6.6%
1970–1979	36.5%
1960–1969	8.7%
1950–1959	11.8%
1940–1949	1.6%
1939 or earlier	9.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.4%
1 bedroom	17.6%
2 bedrooms	24.5%
3 bedrooms	41.8%
4 bedrooms	13.4%
5+ bedrooms	2.3%

Vehicles per household

Vehicles	% of households
No vehicle	10.3%
1 vehicle	26.8%
2 vehicles	45.1%
3 or more	17.8%

Heating fuel

Fuel type	%
Utility gas	32.1%
Electricity	31.7%
Propane / LP gas	20.9%
Fuel oil	11.2%
Wood	3.7%

Households & families

Household type	Count	%
Married-couple family	592	49.3%
Cohabiting couple	99	8.3%
Male householder, no spouse	210	17.5%
Female householder, no spouse	299	24.9%
Households with children under 18	252	21.0%
Households with seniors (65+)	474	39.5%
Average household size	2.19

Marital status

Status	Male	Female
Never married	35.5%	22.8%
Married	50.2%	54.3%
Separated	0.0%	0.2%
Widowed	2.8%	9.5%
Divorced	11.5%	13.2%

Education

Less than 9th grade 0.2%

Some HS, no diploma 3.2%

HS graduate 25.9%

Some college, no degree 29.5%

Associate's degree 15.6%

Bachelor's degree 20.3%

Graduate / professional 5.4%

Metric	%
HS diploma or higher	96.7%
Bachelor's or higher	25.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	31	6.4%
Kindergarten	7	1.4%
Elementary school	214	44.1%
High school	191	39.4%
College / grad school	42	8.7%

Employment

Industry of employment

Education & healthcare 26.8%

Arts, food & hospitality 13.7%

Retail trade 10.0%

Agriculture & mining 8.7%

Finance & real estate 8.2%

Professional & management 7.1%

Manufacturing 6.3%

Construction 5.3%

Transportation & utilities 5.1%

Other services 4.4%

Public administration 2.6%

Information 1.5%

Wholesale trade 0.3%

Occupation

Category	%
Management, business & arts	43.2%
Service	15.5%
Sales & office	13.1%
Natural resources & construction	11.0%
Production & transportation	17.3%

Employment type

Type	%
Private sector	74.0%
Government	23.8%
Self-employed	2.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	74.9%
Carpool	8.9%
Public transit	0.0%
Walk	0.0%
Other means	13.1%
Avg commute (minutes)	19.5

Poverty

All people 10.2%

Under 18 years 20.6%

18 and over 8.0%

Married-couple families 2.4%

Female-led households 42.9%

Income support

Source	% of households
Social Security	40.8%
Retirement income	38.7%
Supplemental Security	5.4%
Cash public assistance	2.4%
Food stamps / SNAP	4.6%

Health indicators

Condition	%
High blood pressure	33.6%
High cholesterol	32.9%
Heart disease	7.3%
Stroke	3.4%
Asthma	9.7%
Arthritis	29.3%
Kidney disease	3.2%
Pulmonary disease	7.0%
Cancer	7.7%

Behavior / access	%
Binge drinking	19.9%
No physical activity	22.0%
Less than 7 hrs sleep	31.8%
Fair or poor health	13.9%
Poor mental health	14.3%
Poor physical health	11.0%
No health insurance	10.2%
Visited doctor (checkup)	70.0%
Visited dentist	62.6%
Cholesterol screening	90.2%
Teeth loss	12.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	253	11.6%

Disability	%
Any disability	16.2%
Under 18	0.0%
18–64 years	14.1%
65 and over	32.2%

Health insurance coverage

Type	%
Private insurance	76.3%
Public insurance	41.4%
Uninsured under 19	0.8%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,586	97.6%
Spanish	0	0.0%
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)	2,638	99.6%
Born in same state	2,623	99.0%
Born in different state	2,124	80.2%
Foreign born	15	0.6%
Naturalized citizen	11	0.4%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Polish	266	10%
Arab	221	8.3%
Italian	110	4.2%
German	68	2.6%

Ancestry	Count	%
French	65	2.5%
Dutch	51	1.9%
English	11	0.4%

Technology access

Metric	% of households
Computer access	45.3%
Internet access	87.8%

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

Frequently asked questions

What ZIP codes does Mountain Iron, MN have?

Mountain Iron, MN has one ZIP code: 55768. Each ZIP code serves a distinct delivery area within the city and surrounding region.