Mountain Lake ZIP Code List — Cottonwood County, MN

There is one unique ZIP code in Mountain Lake, Minnesota and it is 56159. Area code: 507.

ZIP codes

126.40

sq mi land

0.63

sq mi water

507

area code

Mountain Lake, MN ZIP code map

About Mountain Lake, MN

Mountain Lake, Minnesota, is a charming city nestled in Cottonwood County. With its unique landscape and welcoming community, it serves as both a serene retreat and a vibrant hub for residents. The city's rich history and cultural heritage make it a noteworthy destination in south-central Minnesota.

Location & geography

Mountain Lake is located in the southern part of Minnesota, specifically in Cottonwood County. Nearby cities include Windom, located approximately 15 miles to the northeast, and Fairmont, about 21 miles to the southeast. The city encompasses a land area of 126.40 square miles, complemented by a water area of 0.63 square miles, featuring a mix of terrain that adds to its natural beauty.

Community & economy

The character of Mountain Lake is defined by a close-knit community that values agriculture and local business. Various industries contribute to the local economy, including farming, manufacturing, and retail. Daily life in Mountain Lake is filled with community events, strong relationships among residents, and a genuine small-town atmosphere.

Transportation

Transportation in Mountain Lake is accessible via several highways, including Minnesota State Highway 60. The nearest major airport is the Fairmont Municipal Airport, located about 20 miles away, providing essential connectivity for regional travel. Local transit options may be limited, emphasizing a reliance on personal vehicles for transportation.

History

Mountain Lake was founded in the late 19th century and quickly became known for its farming and agricultural practices. The community has played a significant role in the region's development, particularly with the establishment of industries that supported local farming. Over the years, Mountain Lake has celebrated various events that highlight its rich cultural heritage, fostering a strong sense of identity among its residents.

Did you know?

One surprising fact about Mountain Lake is that it is home to a distinctive feature—an actual lake serving as a hub for recreational activities. Additionally, the city has a notable history of hosting events that celebrate its diverse cultural background, drawing visitors from across the region.

ZIP codes for Mountain Lake, MN (1)

ZIP code	City	County	Map
56159	Mountain Lake	Cottonwood	View map

Demographics & statistics

2,595

Population

38.6

Median age

$61,328

Median household income

$27,821

Per capita income

$132,100

Median home value

$590

Median monthly rent

76.3%

Home ownership

15.2%

Poverty rate

5.0%

Unemployment

837

Housing units

22.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

106

5–9

107

10–14

125

15–19

141

20–24

110

25–34

125

130

35–44

146

128

45–54

145

55–59

60–64

116

65–74

130

75–84

85+

← Male

Female →

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

White 71.2%

Asian 10.1%

Hispanic or Latino 9%

Other race 5.9%

Two or more races 3.7%

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

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%

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

Home values

Under $50k 4.2%

$50k–$100k 28.0%

$100k–$150k 27.2%

$150k–$200k 18.1%

$200k–$300k 14.0%

$300k–$500k 6.5%

$500k–$1M 0.8%

$1M+ 1.1%

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

Less than 9th grade 5.7%

Some HS, no diploma 5.2%

HS graduate 33.0%

Some college, no degree 22.1%

Associate's degree 11.5%

Bachelor's degree 18.8%

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

Manufacturing 21.7%

Education & healthcare 19.7%

Retail trade 12.9%

Agriculture & mining 12.3%

Transportation & utilities 7.7%

Other services 6.3%

Construction 5.5%

Arts, food & hospitality 4.1%

Information 3.3%

Public administration 2.9%

Professional & management 1.9%

Wholesale trade 1.6%

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%
Other means	1.3%
Avg commute (minutes)	12.7

Poverty

All people 15.2%

Under 18 years 17.6%

18 and over 14.2%

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	%
High blood pressure	33.9%
High cholesterol	33.3%
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	%
Binge drinking	16.0%
No physical activity	27.1%
Less than 7 hrs sleep	28.8%
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%
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

What is the ZIP code for Mountain Lake, MN?

Mountain Lake, MN has one ZIP code: 56159.

What is the main ZIP code for Mountain Lake, MN?

The primary ZIP code for Mountain Lake, MN is 56159. The city uses area code 507 for phone service.

What county is Mountain Lake, MN in?

Mountain Lake is located in Cottonwood County, Minnesota.

How many ZIP codes are in Mountain Lake, MN?

Mountain Lake, MN has 1 ZIP code.

What is the ZIP code for downtown Mountain Lake and the city's main business district?

Downtown Mountain Lake and the central business district are located in ZIP code 56159, which serves as the primary commercial and civic hub for the city.

What ZIP code should I use when mailing packages to Mountain Lake City Hall or local government offices?

All Mountain Lake government offices and City Hall are located in ZIP code 56159, which is the only ZIP code serving this Cottonwood County community.