Lengby ZIP Codes — Mahnomen County, MN

There is one unique ZIP code in Lengby, Minnesota and it is 56651. Area code: 218.

ZIP codes

70.87

sq mi land

3.37

sq mi water

218

area code

Lengby, MN ZIP code map

About Lengby, MN

Lengby is a small city located in Mahnomen County, Minnesota. It is characterized by its close-knit community and rich natural surroundings. With its rural charm, Lengby offers a peaceful lifestyle away from larger urban areas.

Location & geography

Lengby is situated in the northwestern part of Minnesota, surrounded by the scenic beauty of the region. Nearby cities include Mahnomen, approximately 13 miles southeast, and Erskine, which is about 23 miles to the southwest. The city covers a land area of 70.87 square miles and has a water area of 3.37 square miles, contributing to its lush landscape.

Community & economy

The community of Lengby is known for its friendly atmosphere and a strong sense of belonging among residents. Agriculture is one of the key industries in this area, influencing both the local economy and daily life. Residents enjoy a quiet lifestyle with access to outdoor recreational activities, fostering a connection to the surrounding environment.

Transportation

Transportation in Lengby is facilitated by several local routes, with U.S. Highway 59 serving as a key access point to the region. The nearest major airport is the Thief River Falls Regional Airport, located about 35 miles to the southeast, providing connectivity to larger travel hubs. Public transit options are limited, reflecting the city's rural nature.

History

Lengby was founded in the early 20th century, primarily developed as an agricultural community. Key industries have historically revolved around farming and logging, which have shaped the area’s economy and culture. Notable events have included community gatherings and local fairs, emphasizing the city's strong communal ties.

Did you know?

One surprising fact about Lengby is that it has only one ZIP code, which is 56651. This reflects its small size and closely-knit community, making it a unique aspect of the city's identity.

ZIP codes for Lengby, MN (1)

ZIP code	City	County	Map
56651	Lengby	Mahnomen	View map

Demographics & statistics

618

Population

41.7

Median age

$73,036

Median household income

$29,468

Per capita income

$159,600

Median home value

$1,083

Median monthly rent

89.5%

Home ownership

14.4%

Poverty rate

3.4%

Unemployment

445

Housing units

24.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	204	33.0%
18 and over	414	67.0%
65 and over	100	16.2%
Median age	41.7 years

Race & ethnicity

White 79.8%

Two or more races 8.4%

American Indian / Alaska Native 5.6%

Hispanic or Latino 4.2%

Other race 1.1%

Black or African American 0.9%

Group	Count	%
White	515	79.8%
Two or more races	54	8.4%
American Indian / Alaska Native	36	5.6%
Hispanic or Latino	27	4.2%
Other race	7	1.1%
Black or African American	6	0.9%

Household income

Under $10k 1.4%

$10k–$15k 3.7%

$15k–$25k 6.8%

$25k–$35k 8.7%

$35k–$50k 12.8%

$50k–$75k 19.2%

$75k–$100k 21.5%

$100k–$150k 15.5%

$150k–$200k 7.3%

$200k+ 3.2%

Range	% of households
Under $10k	1.4%
$10k–$15k	3.7%
$15k–$25k	6.8%
$25k–$35k	8.7%
$35k–$50k	12.8%
$50k–$75k	19.2%
$75k–$100k	21.5%
$100k–$150k	15.5%
$150k–$200k	7.3%
$200k+	3.2%
Median income	$73,036

Housing

Home values

Under $50k 27.0%

$50k–$100k 7.1%

$100k–$150k 13.3%

$150k–$200k 17.9%

$200k–$300k 23.0%

$300k–$500k 10.7%

$500k–$1M 1.0%

Housing overview

Metric	Value
Median home value	$159,600
Median rent / month	$1,083
Owner occupied	89.5%
Renter occupied	10.5%
Vacant	53.2%
Single-family detached	78.6%
Large apartment buildings	0.0%
Mobile homes	15.8%
Median rooms	4.8
Avg household size (owned)	2.65

Year built

Era	%
2020 or later	0.4%
2010–2019	5.8%
2000–2009	17.3%
1990–1999	10.5%
1980–1989	14.1%
1970–1979	12.2%
1960–1969	9.4%
1950–1959	9.2%
1940–1949	1.7%
1939 or earlier	19.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	10.3%
2 bedrooms	39.1%
3 bedrooms	40.8%
4 bedrooms	8.5%
5+ bedrooms	1.3%

Vehicles per household

Vehicles	% of households
No vehicle	3.2%
1 vehicle	17.8%
2 vehicles	34.2%
3 or more	44.7%

Heating fuel

Fuel type	%
Utility gas	2.3%
Electricity	23.3%
Propane / LP gas	54.8%
Fuel oil	6.8%
Wood	11.4%
No fuel used	1.4%

Households & families

Household type	Count	%
Married-couple family	116	53.0%
Cohabiting couple	28	12.8%
Male householder, no spouse	36	16.4%
Female householder, no spouse	39	17.8%
Households with children under 18	59	26.9%
Households with seniors (65+)	72	32.9%
Average household size	2.82

Marital status

Status	Male	Female
Never married	21.3%	24.3%
Married	56.4%	51.3%
Separated	1.9%	0.0%
Widowed	0.5%	8.0%
Divorced	19.9%	16.4%

Education

Less than 9th grade 2.2%

Some HS, no diploma 9.1%

HS graduate 22.3%

Some college, no degree 22.3%

Associate's degree 19.9%

Bachelor's degree 16.4%

Graduate / professional 7.8%

Metric	%
HS diploma or higher	88.7%
Bachelor's or higher	24.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	13	9.6%
Kindergarten	9	6.6%
Elementary school	95	69.9%
High school	16	11.8%
College / grad school	3	2.2%

Employment

Industry of employment

Education & healthcare 29.6%

Construction 13.9%

Finance & real estate 10.0%

Arts, food & hospitality 9.6%

Manufacturing 8.9%

Transportation & utilities 6.4%

Retail trade 4.6%

Wholesale trade 4.3%

Professional & management 3.6%

Information 3.2%

Other services 2.9%

Agriculture & mining 1.8%

Public administration 1.1%

Occupation

Category	%
Management, business & arts	30.7%
Service	21.1%
Sales & office	21.1%
Natural resources & construction	15.4%
Production & transportation	11.8%

Employment type

Type	%
Private sector	71.4%
Government	17.1%
Self-employed	11.1%
Unpaid family workers	0.4%

Commute

Method	%
Drive alone	71.1%
Carpool	6.6%
Public transit	0.0%
Walk	4.4%
Other means	2.2%
Avg commute (minutes)	24.5

Poverty

All people 14.4%

Under 18 years 23.0%

18 and over 10.1%

Married-couple families 4.3%

Female-led households 31.6%

Income support

Source	% of households
Social Security	34.7%
Retirement income	24.7%
Supplemental Security	7.3%
Cash public assistance	4.6%
Food stamps / SNAP	7.3%

Health indicators

Condition	%
High blood pressure	37.6%
High cholesterol	33.5%
Heart disease	8.8%
Stroke	4.4%
Asthma	10.2%
Arthritis	29.6%
Kidney disease	3.8%
Pulmonary disease	8.8%
Cancer	7.9%

Behavior / access	%
Binge drinking	17.1%
No physical activity	27.4%
Less than 7 hrs sleep	31.6%
Fair or poor health	18.3%
Poor mental health	14.8%
Poor physical health	13.4%
No health insurance	12.3%
Visited doctor (checkup)	73.6%
Visited dentist	60.9%
Cholesterol screening	90.3%
Teeth loss	15.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	33	8.0%

Disability	%
Any disability	9.5%
Under 18	3.4%
18–64 years	7.3%
65 and over	29.0%

Health insurance coverage

Type	%
Private insurance	51.8%
Public insurance	52.1%
Uninsured under 19	20.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	549	88.8%
Spanish	11	2.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	10	1.8%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	616	99.7%
Born in same state	615	99.5%
Born in different state	446	72.2%
Foreign born	1	0.2%
Naturalized citizen	2	0.3%
Not a US citizen	2	100.0%

Ancestry

Ancestry	Count	%
Polish	228	36.9%
Arab	46	7.4%
Italian	26	4.2%

Ancestry	Count	%
French	20	3.2%
German	2	0.3%
English	2	0.3%

Technology access

Metric	% of households
Computer access	35.4%
Internet access	90.9%

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

Frequently asked questions

What ZIP codes does Lengby, MN have?

Lengby, MN has one ZIP code: 56651. Each ZIP code serves a distinct delivery area within the city and surrounding region.