56167 ZIP Code — Round Lake, MN

Nobles County, Minnesota

ZIP code 56167 is located in Round Lake, Minnesota, within Nobles County. It covers approximately 52.33 square miles and serves a population of 645 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 507.

About ZIP code 56167

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 $115,800. Owner-occupancy is high at 84%, well above the national average.

The gap between median ($68,750) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 5% is below the national average. 35% 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 28 minutes is near the national average.

College attainment at 16% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 56167 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

645
population
52.33
sq mi land
Standard
ZIP type
Central (CT)
timezone
56167 ZIP code map
Cities in ZIP code 56167

Below are the cities the US Postal Service accepts for ZIP code 56167. Using any city not on this list may result in mail delivery delays.

City Status
Round Lake Preferred
Nearby ZIP codes
56119 Brewster (6.3 mi) 56161 Okabena (8 mi) 56187 Worthington (8.4 mi) 56150 Lakefield (10.7 mi) 56117 Bigelow (14.5 mi) 56137 Heron Lake (14.7 mi) 56131 Fulda (16.1 mi) 51345 Harris (17 mi) 51347 Lake Park (17.2 mi) 51354 Ocheyedan (18.2 mi) 56168 Rushmore (18.6 mi) 56101 Windom (19.1 mi)
Demographics updated 05/2026
Population
Total population 645
Population density 12 / sq mi
State FIPS 27
County FIPS 105
Geography
Land area 52.33 sq mi
Water area 2.45 sq mi
Latitude 43.6522
Longitude -95.4263
Timezone Central (CT)
Area code 507
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 37.2% 45.5% 33.6%
$50k – $100k 42.2% 33.7% 31.5%
$100k – $200k 18.8% 17.9% 26.5%
Over $200k 1.8% 2.8% 8.5%

Demographics & statistics

645
Population
12
People per sq mi
48.2
Median age
$68,750
Median household income
$45,807
Per capita income
$115,800
Median home value
$582
Median monthly rent
83.8%
Home ownership
5.2%
Poverty rate
2.4%
Unemployment
278
Housing units
15.7%
Bachelor's or higher

Age distribution

Male Female
22
Under 5
19
13
5–9
11
11
10–14
9
17
15–19
14
24
20–24
21
37
25–34
31
40
35–44
34
34
45–54
30
39
55–59
34
26
60–64
22
56
65–74
49
24
75–84
21
4
85+
3
← Male
Female →

Age summary

GroupCount%
Under 1810516.3%
18 and over54083.7%
65 and over15724.3%
Median age48.2 years

Race & ethnicity

White 88.8%
Two or more races 3.9%
Hispanic or Latino 3.4%
Black or African American 1.6%
Other race 1.6%
American Indian / Alaska Native 0.4%
Asian 0.1%
GroupCount%
White59388.8%
Two or more races263.9%
Hispanic or Latino233.4%
Black or African American111.6%
Other race111.6%
American Indian / Alaska Native30.4%
Asian10.1%

Household income

Income range This ZIP County avg State avg
Under $50k 37.2% 45.5% 33.6%
$50k – $100k 42.2% 33.7% 31.5%
$100k – $200k 18.8% 17.9% 26.5%
Over $200k 1.8% 2.8% 8.5%
Under $10k 2.9%
$10k–$15k 3.6%
$15k–$25k 5.4%
$25k–$35k 9.7%
$35k–$50k 8.7%
$50k–$75k 23.8%
$75k–$100k 20.2%
$100k–$150k 18.4%
$150k–$200k 3.2%
$200k+ 4.0%
Range% of households
Under $10k2.9%
$10k–$15k3.6%
$15k–$25k5.4%
$25k–$35k9.7%
$35k–$50k8.7%
$50k–$75k23.8%
$75k–$100k20.2%
$100k–$150k18.4%
$150k–$200k3.2%
$200k+4.0%
Median income$68,750

Housing

Home values

Under $50k 8.2%
$50k–$100k 33.6%
$100k–$150k 21.1%
$150k–$200k 14.2%
$200k–$300k 11.6%
$300k–$500k 7.8%
$500k–$1M 1.7%
$1M+ 1.7%

Housing overview

MetricValue
Median home value$115,800
Median rent / month$582
Owner occupied83.8%
Renter occupied16.2%
Vacant14.2%
Single-family detached86.7%
Large apartment buildings0.0%
Mobile homes1.5%
Median rooms6.1
Avg household size (owned)2.39

Year built

Era%
2020 or later0.0%
2010–20190.9%
2000–20092.2%
1990–19995.0%
1980–198914.9%
1970–197913.0%
1960–19698.7%
1950–19598.4%
1940–19499.3%
1939 or earlier37.8%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom11.8%
2 bedrooms20.4%
3 bedrooms52.3%
4 bedrooms13.9%
5+ bedrooms1.5%

Vehicles per household

Vehicles% of households
No vehicle2.9%
1 vehicle19.5%
2 vehicles45.5%
3 or more32.1%

Heating fuel

Fuel type%
Utility gas62.1%
Electricity7.6%
Propane / LP gas24.5%
Fuel oil4.3%
Wood1.4%

Households & families

Household typeCount%
Married-couple family15455.6%
Cohabiting couple145.1%
Male householder, no spouse6623.8%
Female householder, no spouse4315.5%
Households with children under 184616.6%
Households with seniors (65+)10036.1%
Average household size2.33

Marital status

StatusMaleFemale
Never married26.7%23.8%
Married58.0%64.6%
Separated2.0%1.9%
Widowed2.0%4.2%
Divorced11.3%5.4%

Education

Less than 9th grade 2.5%
Some HS, no diploma 2.7%
HS graduate 42.4%
Some college, no degree 17.4%
Associate's degree 19.4%
Bachelor's degree 14.3%
Graduate / professional 1.4%
Metric%
HS diploma or higher94.8%
Bachelor's or higher15.7%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool98.7%
Kindergarten76.7%
Elementary school2826.9%
High school1918.3%
College / grad school4139.4%

Employment

Industry of employment

Manufacturing 19.3%
Education & healthcare 16.0%
Agriculture & mining 12.0%
Construction 9.0%
Wholesale trade 8.8%
Other services 8.5%
Retail trade 8.0%
Professional & management 7.0%
Transportation & utilities 6.8%
Public administration 2.5%
Arts, food & hospitality 2.0%
Finance & real estate 0.3%

Occupation

Category%
Management, business & arts30.8%
Service15.8%
Sales & office12.0%
Natural resources & construction17.0%
Production & transportation24.5%

Employment type

Type%
Private sector73.8%
Government8.5%
Self-employed16.3%
Unpaid family workers1.5%

Commute

Method%
Drive alone71.9%
Carpool11.8%
Public transit0.0%
Walk4.5%
Work from home11.6%
Other means0.3%
Avg commute (minutes)28.2

Poverty

All people 5.2%
Under 18 years 4.0%
18 and over 5.4%
Married-couple families 1.3%
Female-led households 25.0%

Income support

Source% of households
Social Security35.0%
Retirement income23.1%
Supplemental Security1.4%
Cash public assistance5.4%
Food stamps / SNAP5.1%

Health indicators

Condition%
Obesity35.6%
High blood pressure32.4%
High cholesterol33.2%
Diabetes10.5%
Heart disease7.6%
Stroke3.5%
Asthma9.0%
Arthritis26.8%
Kidney disease3.2%
Pulmonary disease6.7%
Cancer8.0%
Behavior / access%
Smoking18.9%
Binge drinking18.5%
No physical activity23.6%
Less than 7 hrs sleep29.5%
Depression21.7%
Fair or poor health13.6%
Poor mental health13.2%
Poor physical health10.6%
No health insurance11.5%
Visited doctor (checkup)71.9%
Visited dentist65.8%
Cholesterol screening90.5%
Teeth loss12.6%

Veterans & disability

VeteransCount%
Civilian veterans387.0%
Disability%
Any disability14.0%
Under 181.9%
18–64 years10.7%
65 and over29.9%

Health insurance coverage

Type%
Private insurance75.8%
Public insurance40.9%
No insurance2.2%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only60493.6%
Spanish122.0%
Other Indo-European61.0%
Asian & Pacific Islander10.2%
Other languages10.2%

Place of birth & citizenship

OriginCount%
Native born (US)61495.2%
Born in same state61395.0%
Born in different state43667.6%
Foreign born10.2%
Naturalized citizen314.8%
Not a US citizen2477.4%

Ancestry

AncestryCount%
English538.2%
Italian477.3%
Polish467.1%
AncestryCount%
French446.8%
Arab203.1%
Dutch50.8%

Technology access

Metric% of households
Computer access42.9%
Internet access89.9%

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

Frequently asked questions about ZIP code 56167

What city is ZIP code 56167 in?

ZIP code 56167 is primarily assigned to Round Lake, Minnesota.

What county is ZIP code 56167 in?

ZIP code 56167 falls within Nobles County, Minnesota.

Is ZIP code 56167 mostly owner-occupied?

84% of occupied units in ZIP code 56167 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 56167?

The median home value in ZIP code 56167 is $115,800.

What is the population of ZIP code 56167?

ZIP code 56167 has an estimated population of 645 residents, with a density of 12 people per square mile.

What is the median household income in ZIP code 56167?

The median household income in ZIP code 56167 is $68,750, below the national median of ~$75,000.

What timezone is ZIP code 56167 in?

ZIP code 56167 observes the CST timezone.

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