ZipCodesToGo
Minnesota ZIP Codes
Cottonwood County
Mountain Lake, MN
56159
56159 ZIP Code — Mountain Lake, MN
Cottonwood County, Minnesota
ZIP code 56159 is located in
Mountain Lake ,
Minnesota ,
within Cottonwood County .
It covers approximately 126.40 square miles and serves a population of
2,595 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 507 .
About ZIP code 56159
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $132,100. Owner-occupancy is high at 76%, well above the national average.
Median household income is $61,328. 38% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 13 minutes is near the national average.
Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.
Overall, ZIP code 56159 reflects a community defined by high homeownership and a significant Social Security-dependent population.
56159 ZIP code map
View map of 56159
Cities in ZIP code 56159
Below are the cities the US Postal Service accepts for ZIP code 56159. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
2,595
Population density
21 / sq mi
State FIPS
27
County FIPS
033
Geography
Land area
126.40 sq mi
Water area
0.63 sq mi
Latitude
43.9419
Longitude
-94.9495
Timezone
Central (CT)
Area code
507
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
51.9%
49.5%
33.6%
$50k – $100k
36.8%
33.0%
31.5%
$100k – $200k
10.0%
15.6%
26.5%
Over $200k
1.3%
1.9%
8.5%
Demographics & statistics
$61,328
Median household income
$132,100
Median home value
22.4%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 762 29.4%
18 and over 1,833 70.6%
65 and over 519 20.0%
Median age 38.6 years
Race & ethnicity
Group Count %
White 2,032 71.2%
Asian 289 10.1%
Hispanic or Latino 258 9%
Other race 169 5.9%
Two or more races 105 3.7%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
51.9%
49.5%
33.6%
$50k – $100k
36.8%
33.0%
31.5%
$100k – $200k
10.0%
15.6%
26.5%
Over $200k
1.3%
1.9%
8.5%
Range % of households
Under $10k 3.9%
$10k–$15k 2.2%
$15k–$25k 11.9%
$25k–$35k 7.3%
$35k–$50k 15.6%
$50k–$75k 19.5%
$75k–$100k 17.8%
$100k–$150k 11.8%
$150k–$200k 5.2%
$200k+ 4.8%
Median income $61,328
Housing
Housing overview
Metric Value
Median home value $132,100
Median rent / month $590
Owner occupied 76.3%
Renter occupied 23.7%
Vacant 9.6%
Single-family detached 86.6%
Large apartment buildings 4.3%
Mobile homes 0.1%
Median rooms 6.4
Avg household size (owned) 2.63
Year built
Era %
2020 or later 0.2%
2010–2019 4.7%
2000–2009 2.3%
1990–1999 2.8%
1980–1989 10.0%
1970–1979 19.1%
1960–1969 15.1%
1950–1959 12.1%
1940–1949 4.3%
1939 or earlier 29.5%
Bedrooms
Size % of units
No bedroom (studio) 0.4%
1 bedroom 7.8%
2 bedrooms 23.8%
3 bedrooms 37.4%
4 bedrooms 22.5%
5+ bedrooms 8.1%
Vehicles per household
Vehicles % of households
No vehicle 6.1%
1 vehicle 20.5%
2 vehicles 36.4%
3 or more 37.0%
Heating fuel
Fuel type %
Utility gas 65.7%
Electricity 14.0%
Propane / LP gas 18.2%
Fuel oil 0.9%
Wood 1.0%
Households & families
Household type Count %
Married-couple family 448 46.5%
Cohabiting couple 60 6.2%
Male householder, no spouse 166 17.2%
Female householder, no spouse 289 30.0%
Households with children under 18 350 36.3%
Households with seniors (65+) 329 34.2%
Average household size 2.56
Marital status
Status Male Female
Never married 36.4% 32.4%
Married 51.5% 43.5%
Separated 1.5% 0.2%
Widowed 2.7% 14.1%
Divorced 8.0% 9.8%
Education
Some college, no degree
22.1%
Graduate / professional
3.7%
Metric %
HS diploma or higher 89.1%
Bachelor's or higher 22.4%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 47 6.8%
Kindergarten 36 5.2%
Elementary school 294 42.2%
High school 247 35.5%
College / grad school 72 10.3%
Employment
Industry of employment
Education & healthcare
19.7%
Agriculture & mining
12.3%
Transportation & utilities
7.7%
Arts, food & hospitality
4.1%
Public administration
2.9%
Professional & management
1.9%
Finance & real estate
0.2%
Occupation
Category %
Management, business & arts 31.6%
Service 14.0%
Sales & office 23.7%
Natural resources & construction 9.0%
Production & transportation 21.7%
Employment type
Type %
Private sector 77.0%
Government 13.0%
Self-employed 9.9%
Unpaid family workers 0.2%
Commute
Method %
Drive alone 69.6%
Carpool 10.7%
Public transit 0.0%
Walk 5.6%
Work from home 12.8%
Other means 1.3%
Avg commute (minutes) 12.7
Poverty
Married-couple families
3.8%
Female-led households
34.7%
Income support
Source % of households
Social Security 37.8%
Retirement income 19.0%
Supplemental Security 5.7%
Cash public assistance 5.2%
Food stamps / SNAP 10.9%
Health indicators
Condition %
Obesity 35.4%
High blood pressure 33.9%
High cholesterol 33.3%
Diabetes 11.5%
Heart disease 8.4%
Stroke 4.0%
Asthma 8.8%
Arthritis 26.5%
Kidney disease 3.5%
Pulmonary disease 7.1%
Cancer 8.1%
Behavior / access %
Smoking 18.9%
Binge drinking 16.0%
No physical activity 27.1%
Less than 7 hrs sleep 28.8%
Depression 20.9%
Fair or poor health 15.5%
Poor mental health 13.3%
Poor physical health 11.2%
No health insurance 13.8%
Visited doctor (checkup) 70.8%
Visited dentist 61.7%
Cholesterol screening 88.3%
Teeth loss 15.2%
Veterans & disability
Veterans Count %
Civilian veterans 73 4.0%
Disability %
Any disability 13.4%
Under 18 7.1%
18–64 years 7.1%
65 and over 41.6%
Health insurance coverage
Type %
Private insurance 67.2%
Public insurance 40.3%
No insurance 4.3%
Uninsured under 19 1.4%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 2,395 92.3%
Spanish 148 6.2%
Other Indo-European 51 2.1%
Asian & Pacific Islander 0 0.0%
Other languages 97 4.1%
Place of birth & citizenship
Origin Count %
Native born (US) 2,363 91.1%
Born in same state 2,360 90.9%
Born in different state 1,797 69.2%
Foreign born 3 0.1%
Naturalized citizen 232 8.9%
Not a US citizen 142 61.2%
Ancestry
Ancestry Count %
Polish 239 9.2%
Italian 165 6.4%
Arab 111 4.3%
English 84 3.2%
Ancestry Count %
French 57 2.2%
Dutch 20 0.8%
Irish 9 0.3%
German 4 0.2%
Technology access
Metric % of households
Computer access 37.1%
Internet access 89.7%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 56159
What city is ZIP code 56159 in?
ZIP code 56159 is primarily assigned to Mountain Lake, Minnesota.
What county is ZIP code 56159 in?
ZIP code 56159 falls within Cottonwood County, Minnesota.
What is the poverty rate in ZIP code 56159?
15% of residents in ZIP code 56159 live below the poverty line, above the national average.
Does ZIP code 56159 have a large retiree population?
38% of households in ZIP code 56159 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 56159?
The median home value in ZIP code 56159 is $132,100.
What is the population of ZIP code 56159?
ZIP code 56159 has an estimated population of 2,595 residents, with a density of 21 people per square mile.
What timezone is ZIP code 56159 in?
ZIP code 56159 observes the CST timezone.
Need the complete ZIP code database?
Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →