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Minnesota ZIP Codes
Saint Louis County
Mountain Iron, MN
55768
55768 ZIP Code — Mountain Iron, MN
Saint Louis County, Minnesota
ZIP code 55768 is located in
Mountain Iron ,
Minnesota ,
within Saint Louis County .
It covers approximately 89.29 square miles and serves a population of
2,649 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 218 .
About ZIP code 55768
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $177,900. Owner-occupancy sits near the national average at 72%.
Median household income is $66,023. 41% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 20 minutes is near the national average.
Educational attainment is near the national average, with 26% of residents holding a bachelor's degree or higher.
Health indicators show elevated rates of smoking (22%) compared to national benchmarks.
Notable community characteristics include a notable veteran presence at 12% of civilians, above the national average of 7%.
Overall, ZIP code 55768 reflects a community defined by a strong veteran community and a significant Social Security-dependent population.
55768 ZIP code map
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Cities in ZIP code 55768
Below are the cities the US Postal Service accepts for ZIP code 55768. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
2,649
Population density
30 / sq mi
State FIPS
27
County FIPS
137
Geography
Land area
89.29 sq mi
Water area
2.88 sq mi
Latitude
47.4940
Longitude
-92.6812
Timezone
Central (CT)
Area code
218
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
45.7%
44.3%
33.6%
$50k – $100k
30.4%
31.0%
31.5%
$100k – $200k
23.0%
20.5%
26.5%
Over $200k
0.9%
4.1%
8.5%
Demographics & statistics
$66,023
Median household income
$177,900
Median home value
25.7%
Bachelor's or higher
Age distribution
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
American Indian / Alaska Native
1.3%
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
Income range
This ZIP
County avg
State avg
Under $50k
45.7%
44.3%
33.6%
$50k – $100k
30.4%
31.0%
31.5%
$100k – $200k
23.0%
20.5%
26.5%
Over $200k
0.9%
4.1%
8.5%
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
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
Some college, no degree
29.5%
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%
Agriculture & mining
8.7%
Finance & real estate
8.2%
Professional & management
7.1%
Transportation & utilities
5.1%
Public administration
2.6%
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%
Work from home 3.1%
Other means 13.1%
Avg commute (minutes) 19.5
Poverty
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 %
Obesity 33.5%
High blood pressure 33.6%
High cholesterol 32.9%
Diabetes 10.4%
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 %
Smoking 22.0%
Binge drinking 19.9%
No physical activity 22.0%
Less than 7 hrs sleep 31.8%
Depression 25.0%
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%
No insurance 2.2%
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 about ZIP code 55768
What city is ZIP code 55768 in?
ZIP code 55768 is primarily assigned to Mountain Iron, Minnesota.
What county is ZIP code 55768 in?
ZIP code 55768 falls within Saint Louis County, Minnesota.
Does ZIP code 55768 have an older population?
25% of residents in ZIP code 55768 are 65 or older, above the national average of ~17%.
Does ZIP code 55768 have a large retiree population?
41% of households in ZIP code 55768 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 55768 have a large veteran population?
12% of civilians in ZIP code 55768 are veterans, above the national average of ~7%.
What is the typical home value in ZIP code 55768?
The median home value in ZIP code 55768 is $177,900.
What timezone is ZIP code 55768 in?
ZIP code 55768 observes the CST timezone.
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