56055 ZIP Code — Lake Crystal, MN

Blue Earth County, Minnesota

ZIP code 56055 is located in Lake Crystal, Minnesota, within Blue Earth County. It covers approximately 118.17 square miles and serves a population of 3,844 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 507.

About ZIP code 56055

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 $208,400. Owner-occupancy is high at 82%, well above the national average.

Median household income is $82,596. 32% 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 23 minutes is near the national average.

Educational attainment is near the national average, with 29% of residents holding a bachelor's degree or higher.

Overall, ZIP code 56055 reflects a community defined by high homeownership and a significant Social Security-dependent population.

3,844
population
118.17
sq mi land
Standard
ZIP type
Central (CT)
timezone
56055 ZIP code map
Cities in ZIP code 56055

Below are the cities the US Postal Service accepts for ZIP code 56055. Using any city not on this list may result in mail delivery delays.

City Status
Lake Crystal Preferred
Nearby ZIP codes
56034 Garden City (6.5 mi) 56062 Madelia (9.3 mi) 56003 Mankato (10.2 mi) 56090 Vernon Center (10.8 mi) 56021 Courtland (11.1 mi) 56074 Nicollet (11.2 mi) 56001 Mankato (12.3 mi) 56041 Hanska (12.6 mi) 56037 Good Thunder (14 mi) 56010 Amboy (16.4 mi) 56082 Saint Peter (17.1 mi) 56073 New Ulm (17.1 mi)
Demographics updated 06/2026
Population
Total population 3,844
Population density 33 / sq mi
State FIPS 27
County FIPS 013
Geography
Land area 118.17 sq mi
Water area 3.07 sq mi
Latitude 44.1337
Longitude -94.2409
Timezone Central (CT)
Area code 507
Total population by age
Gender
Race & ethnicity
Economics updated 06/2026
Household income
Income range This ZIP County avg State avg
Under $50k 32.2% 41.3% 33.6%
$50k – $100k 36.4% 33.3% 31.5%
$100k – $200k 27.6% 21.6% 26.5%
Over $200k 3.9% 3.7% 8.5%

Demographics & statistics

3,844
Population
33
People per sq mi
41.7
Median age
$82,596
Median household income
$38,675
Per capita income
$208,400
Median home value
$766
Median monthly rent
82.2%
Home ownership
7.8%
Poverty rate
3.2%
Unemployment
1,360
Housing units
28.6%
Bachelor's or higher

Age distribution

Male Female
94
Under 5
95
151
5–9
151
156
10–14
156
102
15–19
103
78
20–24
78
182
25–34
182
278
35–44
278
252
45–54
253
112
55–59
112
134
60–64
135
250
65–74
251
99
75–84
100
31
85+
31
← Male
Female →

Age summary

GroupCount%
Under 1893824.4%
18 and over2,90675.6%
65 and over76219.8%
Median age41.7 years

Race & ethnicity

White 94.6%
Two or more races 1.8%
Hispanic or Latino 1.7%
Other race 1.1%
Black or African American 0.4%
American Indian / Alaska Native 0.2%
Asian 0.1%
GroupCount%
White3,70194.6%
Two or more races691.8%
Hispanic or Latino681.7%
Other race441.1%
Black or African American160.4%
American Indian / Alaska Native90.2%
Asian50.1%

Household income

Income range This ZIP County avg State avg
Under $50k 32.2% 41.3% 33.6%
$50k – $100k 36.4% 33.3% 31.5%
$100k – $200k 27.6% 21.6% 26.5%
Over $200k 3.9% 3.7% 8.5%
Under $10k 2.6%
$10k–$15k 3.4%
$15k–$25k 4.6%
$25k–$35k 4.7%
$35k–$50k 13.2%
$50k–$75k 16.3%
$75k–$100k 20.6%
$100k–$150k 19.2%
$150k–$200k 10.0%
$200k+ 5.4%
Range% of households
Under $10k2.6%
$10k–$15k3.4%
$15k–$25k4.6%
$25k–$35k4.7%
$35k–$50k13.2%
$50k–$75k16.3%
$75k–$100k20.6%
$100k–$150k19.2%
$150k–$200k10.0%
$200k+5.4%
Median income$82,596

Housing

Home values

Under $50k 2.3%
$50k–$100k 6.8%
$100k–$150k 16.5%
$150k–$200k 21.2%
$200k–$300k 32.7%
$300k–$500k 16.6%
$500k–$1M 3.4%
$1M+ 0.5%

Housing overview

MetricValue
Median home value$208,400
Median rent / month$766
Owner occupied82.2%
Renter occupied17.8%
Vacant2.6%
Single-family detached84.3%
Large apartment buildings5.0%
Mobile homes2.3%
Median rooms6.5
Avg household size (owned)2.48

Year built

Era%
2020 or later0.3%
2010–20192.1%
2000–200915.9%
1990–19999.4%
1980–19898.0%
1970–197916.6%
1960–19697.6%
1950–19597.2%
1940–19493.7%
1939 or earlier29.2%

Bedrooms

Size% of units
No bedroom (studio)1.1%
1 bedroom7.6%
2 bedrooms25.2%
3 bedrooms35.4%
4 bedrooms21.0%
5+ bedrooms9.8%

Vehicles per household

Vehicles% of households
No vehicle3.7%
1 vehicle24.6%
2 vehicles43.3%
3 or more28.4%

Heating fuel

Fuel type%
Utility gas59.8%
Electricity10.2%
Propane / LP gas25.4%
Fuel oil0.4%
Wood0.9%
No fuel used1.4%

Households & families

Household typeCount%
Married-couple family99662.1%
Cohabiting couple1086.7%
Male householder, no spouse23214.5%
Female householder, no spouse26716.7%
Households with children under 1852232.6%
Households with seniors (65+)49030.6%
Average household size2.40

Marital status

StatusMaleFemale
Never married24.6%17.2%
Married64.6%66.7%
Separated0.2%0.7%
Widowed2.5%8.1%
Divorced8.1%7.3%

Education

Less than 9th grade 1.3%
Some HS, no diploma 3.8%
HS graduate 32.0%
Some college, no degree 21.9%
Associate's degree 12.4%
Bachelor's degree 18.9%
Graduate / professional 9.7%
Metric%
HS diploma or higher94.9%
Bachelor's or higher28.6%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool566.4%
Kindergarten536.0%
Elementary school46152.3%
High school22025.0%
College / grad school9110.3%

Employment

Industry of employment

Manufacturing 26.0%
Education & healthcare 22.7%
Construction 11.5%
Retail trade 8.0%
Transportation & utilities 4.7%
Other services 4.5%
Finance & real estate 4.2%
Professional & management 3.4%
Arts, food & hospitality 3.4%
Public administration 3.4%
Wholesale trade 2.9%
Agriculture & mining 2.8%
Information 2.4%

Occupation

Category%
Management, business & arts37.6%
Service12.5%
Sales & office19.5%
Natural resources & construction11.8%
Production & transportation18.6%

Employment type

Type%
Private sector81.0%
Government13.7%
Self-employed5.4%
Unpaid family workers0.0%

Commute

Method%
Drive alone81.9%
Carpool9.4%
Public transit0.0%
Walk1.0%
Work from home7.3%
Other means0.5%
Avg commute (minutes)23.4

Poverty

All people 7.8%
Under 18 years 10.9%
18 and over 6.8%
Married-couple families 2.6%
Female-led households 36.9%

Income support

Source% of households
Social Security31.6%
Retirement income18.4%
Supplemental Security2.0%
Cash public assistance4.9%
Food stamps / SNAP6.2%

Health indicators

Condition%
Obesity27.9%
High blood pressure29.4%
High cholesterol27.6%
Diabetes8.6%
Heart disease6.0%
Stroke2.8%
Asthma8.7%
Arthritis21.9%
Kidney disease2.6%
Pulmonary disease5.3%
Cancer7.1%
Behavior / access%
Smoking17.4%
Binge drinking19.7%
No physical activity20.2%
Less than 7 hrs sleep30.7%
Depression23.1%
Fair or poor health11.1%
Poor mental health13.2%
Poor physical health8.9%
No health insurance10.1%
Visited doctor (checkup)70.9%
Visited dentist72.4%
Cholesterol screening89.9%
Teeth loss10.2%

Veterans & disability

VeteransCount%
Civilian veterans1926.6%
Disability%
Any disability11.6%
Under 189.5%
18–64 years7.5%
65 and over25.9%

Health insurance coverage

Type%
Private insurance78.9%
Public insurance36.6%
No insurance2.8%
Uninsured under 194.2%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only3,65595.1%
Spanish110.3%
Other Indo-European50.1%
Asian & Pacific Islander60.2%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)3,80799.0%
Born in same state3,79398.7%
Born in different state3,21683.7%
Foreign born140.4%
Naturalized citizen371.0%
Not a US citizen1540.5%

Ancestry

AncestryCount%
Polish57915.1%
Italian2626.8%
French2316%
Arab912.4%
AncestryCount%
Dutch661.7%
English461.2%
German60.2%

Technology access

Metric% of households
Computer access41.7%
Internet access91.8%

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

Frequently asked questions about ZIP code 56055

What city is ZIP code 56055 in?

ZIP code 56055 is primarily assigned to Lake Crystal, Minnesota.

What county is ZIP code 56055 in?

ZIP code 56055 falls within Blue Earth County, Minnesota.

Is ZIP code 56055 mostly owner-occupied?

82% of occupied units in ZIP code 56055 are owner-occupied, well above the national average.

What is the population of ZIP code 56055?

ZIP code 56055 has an estimated population of 3,844 residents, with a density of 33 people per square mile.

What is the typical home value in ZIP code 56055?

The median home value in ZIP code 56055 is $208,400.

What is the median household income in ZIP code 56055?

The median household income in ZIP code 56055 is $82,596, above the national median of ~$75,000.

What timezone is ZIP code 56055 in?

ZIP code 56055 observes the CST timezone.

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