Mahnomen County, Minnesota

County in MN, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

5,358

Source: U.S. Census Bureau American Community Survey (ACS) 2020-2024 5-Year Estimates

Median Age

35.4

years ∙ half population younger than 35.4, half older

Diversity Index

66%

chance two random people differ in race and ethnicity

Nativity

foreign-born population

99%Native

1% Foreign-born

Geographic Context

Location, size, and surroundings

About

Mahnomen County is a county in Minnesota, United States.

Location

County in MN, US

Co-ordinates

DEC47.328387° N, 95.811089° W

DMS47° 19′ 42.19″ N, 95° 48′ 39.92″ W

Population Density & area

9.6/sq mi (3.71/km²)

Total Area

582.9 sq mi (1,509.8 km²)

Land Area

557.9 sq mi (1,444.9 km²) · 95.7%

Water Area

25 sq mi (64.9 km²) · 4.3%

Demographics & Living

Who lives here, how households are formed, and community composition

Population Composition

Key characteristics of the population

Sex Distribution

51.1% male

Male 51.1%

Female 48.9%

males per 100 females

Mahnomen County 104.3

Minnesota 100.4

United States 98

Nativity

foreign-born population

99%Native

1% Foreign-born

% Foreign-born

Mahnomen County 1%

Minnesota 8.7%

United States 14.1%

Age Distribution

How the population is spread across age groups

Median Age

35.4

years ∙ half population younger than 35.4, half older

Mahnomen County

35.4

Minnesota

38.8

United States

38.9

Dependency ratio

95.5

dependents per 100 working-age adults

Mahnomen County 95.5

Minnesota 67.1

United States 64.4

AGE DISTRIBUTION

Distribution of age group

Median age

	Mahnomen County	Minnesota	United States
Age Group
Children (Under 18)	31%	22.9%	22%
Working age (18-64)	51.1%	59.8%	60.8%
Senior (65+)	17.9%	17.3%	17.2%
Dependency ratio
Total dependency ratio	95.5	67.1	64.4
Child dependency ratio	60.6	38.2	36.1
Old-age dependency ratio	34.9	28.9	28.3

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

44.4%

Black

0.1%

Asian

0.5%

Hispanic

4.1%

Other

50.9%

Note: White, Black, and Asian refer to individuals belonging to a single race and not of Hispanic origin. Hispanics may be of any race.

Diversity Index

66%

chance two random people differ in race and ethnicity

Mahnomen County 66%

Minnesota 41%

United States 61.4%

Note: The Diversity Index (DI), based on the Blau Index, measures the probability that two randomly selected individuals differ in race and ethnicity. Values range from 0 (no diversity) to 1 (high diversity) and are shown as percentages.

RACIAL & ETHNIC COMPOSITION

Race & Ethnicity

Percentage of Mahnomen County population

	Mahnomen County	Minnesota	United States
Hispanic or Latino	4.1%	6.4%	19.3%
Mexican	2.6%	3.9%	11.3%
Puerto Rican	0.6%	0.3%	1.8%
Cuban	0.2%	0.1%	0.8%
Other Hispanic / Latino	0.7%	2%	5.5%
Not Hispanic or Latino	95.9%	93.6%	80.7%
One race	79.2%	89.1%	76.4%
White	44.4%	75.9%	57.4%
Black or African American	0.1%	6.9%	11.9%
American Indian and Alaska Native	33.6%	0.7%	0.5%
Asian	0.5%	5.1%	5.9%
Native Hawaiian and Other Pacific Islander	0.1%	0%	0.2%
Some Other Race	0.5%	0.5%	0.6%
Two or more races (Multiracial)	16.7%	4.5%	4.3%

Household & Families Composition

Household size, type, and family structure

Household structure

67.5% family

Family 67.5%

Non family 32.5%

% family households

Mahnomen County 67.5%

Minnesota 62.3%

United States 64.2%

Average household size

2.8

persons per household

Mahnomen County

2.8

Minnesota

2.43

United States

2.53

Household & Family COMPOSITION

Households

Percentage of Mahnomen County population

	Mahnomen County	Minnesota	United States
Total households	1,885	2,307,955	129,227,496
Average houshold size	2.8	2.43	2.53
Family households	1,273	1,438,404	82,990,528
Average family size	3.38	3.04	3.14
Married couple family	734	1,129,003	60,637,388
Other families	539	309,401	22,353,140
Male householder	166	102,922	6,572,819
Female householder	373	206,479	15,780,321
Non-family households	612	869,551	46,236,968
One-person households	535	686,475	37,140,836
Male householder	300	320,418	16,871,444
Senior (65+) living alone	129	97,557	5,225,110
Female householder	235	366,057	20,269,392
Senior (65+) living alone	138	186,557	10,089,070
Other living arrangements	77	183,076	9,096,132

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

2,547

housing units

Mahnomen County 2,547

Minnesota 2,545,030

United States 143,775,355

Occupancy status

74% occupied

Occupied 74%

Vacant 26%

vacancy rate

Mahnomen County 26%

Minnesota 9.3%

United States 10.1%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

80.9%

Single family houses

80.9%

Apartments in multi-unit structures

10.2%

Mobile homes

8.8%

Boat, RV, van, etc

Median Year Built

1977

Half of houses were built before 1977, and half after.

Historic ∙ 1939 or earlier

17.7%

Postwar & mid-century ∙ 1940 - 1969

24.2%

Late 20th century ∙ 1970 - 1999

39.6%

Modern ∙ 2000 or later

18.6%

Note: Median year built reflects occupied units only; distribution includes all units.

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Mahnomen County	Minnesota	United States
Rooms per unit
Median rooms	5.3	6.1	5.5
1–3 rooms	13.1%	14.9%	15.1%
4–6 rooms	56.8%	41.4%	51.6%
7+ rooms	30.1%	43.7%	33.4%
Bedrooms
No bedroom / studio	1.2%	2.7%	2.9%
1 bedroom	8.1%	11.4%	10.9%
2 bedrooms	29.1%	24.5%	25%
3 bedrooms	38.1%	32.2%	38.7%
4+ bedrooms	23.6%	29.1%	22.4%
At a glance
Median year built	1977	1979	1981
Total housing units	2,547	2,545,030	143,775,355

Occupancy Profile

Who is inside and how they use it

Homeownership

73.3% owners

Renter-occupied 26.7%

Owner-occupied 73.3%

homeownership rate

Mahnomen County 73.3%

Minnesota 72.2%

United States 65.2%

Average household size

2.82

Owner-occupied

2.76

Renter-occupied

owner-occupied average size

Mahnomen County 2.82

Minnesota 2.59

United States 2.64

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Mahnomen County	Minnesota	United States
Total occupied units	1,885	2,307,955	129,227,496
Year moved in
2020 or later	14.7%	23.8%	24.8%
2010 to 2019	36.9%	38.9%	39.6%
2000 to 2009	19.3%	16.1%	16.4%
1999 or earlier	29.1%	21.2%	19.1%
Occupants per room
1.00 or fewer	95.3%	97.7%	96.6%
1.01 to 1.50	3.6%	1.5%	2.2%
1.51 or more	1.1%	0.8%	1.2%
Vehicles availability
No vehicles	9%	6.7%	8.4%
1 vehicle	30.4%	30.8%	33.1%
2 vehicles	31.1%	39.5%	36.6%
3 or more vehicles	29.5%	23.1%	21.9%
House heating fuel used
Gas	50.9%	75.9%	51.4%
Electricity	28%	19.4%	41.3%
Solar	0.1%	0.1%	0.3%
Fuel oil, kerosene etc	10.9%	1.3%	3.9%
All other fuels	8.8%	2.5%	2%
No fuel used	1.4%	0.9%	1.2%
Selected characteristics
Lacking complete plumbing	0.7%	0.4%	0.4%
Lacking complete kitchen	0.8%	0.7%	0.8%
No telephone service available	2.1%	0.7%	0.9%

Housing Value

What owner-occupied units are worth

Median home value

$161,900

owner-occupied units

Median value(USD)

Mahnomen County

$161,900

Minnesota

$329,300

United States

$332,700

Housing Cost Burden

26.4%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

26.4%

Owners without a mortgage

15.7%

Renters

34.7%

Note: Households spending 30% or more of their income on housing costs are considered cost-burdened.

Financial characteristics

Property value and housing costs

Tenure, crowding, and utilities

	Mahnomen County	Minnesota	United States
Property value
Median Value	$161,900	$329,300	$332,700
Under $100,000	33.6%	7.7%	11.4%
$100,000 - $200,000	28.2%	13.3%	15.8%
$200,000 - $300,000	21.2%	22.6%	17.8%
$300,000 - $500,000	13.8%	36.9%	26.9%
$500,000 - $1,000,000	3.2%	17%	20.9%
$1,000,000 and more	0.1%	2.6%	7.1%
Owner-occupied households
With a mortgage	41.3%	64%	60.6%
Without a mortgage	58.7%	36%	39.4%
Median monthly owner costs
With a mortgage	$1,335	$1,947	$1,963
Without a mortgage	$529	$698	$638
Gross rent
Median rent	$696	$1,280	$1,413

Education Profile

How educated is the community and how education pays off

Adults with a college degree

16.2%

of adults 25+ with a bachelor's degree or higher

Mahnomen County 16.2%

Minnesota 39.4%

United States 35.7%

Adults without a high school diploma

11.9%

of adults (25+) without a high school diploma

Mahnomen County 11.9%

Minnesota 6.1%

United States 10.4%

School Enrollment

Who is enrolled in school and at what level

School enrollment

1,506

population (age 3+) enrolled in school

Nursery / Preschool

6.9%

K–12

81.7%

College / Undergraduate

9.6%

Graduate / Professional

1.9%

College-going rate (18-24 yr olds)

20.1%

of 18-24-year-olds in college or graduate school

Mahnomen County

20.1%

Minnesota

39.1%

United States

40.9%

Enrollment & school type

Enrollment levels, college-going rate, and public vs private school split

Population 3+ currently enrolled in a school

	Mahnomen County	Minnesota	United States
Total enrolled (age 3+)	1,506	1,385,086	80,089,790
Nursery / preschool	6.9%	6.2%	5.7%
K–12	81.7%	69.9%	67.6%
Kindergarten	6.6%	5.2%	5%
Elementary: Grades 1–4	27%	20.6%	19.8%
Elementary: Grades 5–8	28%	21.7%	21%
High School: Grades 9–12	20.1%	22.4%	21.7%
College or graduate school	11.4%	23.9%	26.7%
College, undergraduate	9.6%	18.8%	21%
Graduate, professional school	1.9%	5.1%	5.8%
College-going rate · 18-24 yr olds	20.1%	39.1%	40.9%
School type
Public school	89.8%	83.3%	82%
Private school	10.2%	16.7%	18%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

3,249

population 25 years and over

Total adults (25+)

Less than 9th grade

3.3%

9th-12th, no diploma

8.6%

HS graduate

34%

Some college no degree

23.5%

Associates degree

14.4%

Bachelors degree

11.4%

Graduate or professional degree

4.7%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

56.6% · 43.4%

9th-12th, no diploma

60.5% · 39.5%

HS graduate

57.1% · 42.9%

Some college no degree

49.3% · 50.7%

Associates degree

41.2% · 58.8%

Bachelors degree

41.1% · 58.9%

Graduate or professional degree

32% · 68%

Educational Attainment Overview

Distribution and key education attainment rates for adults (25+)

Highest credential completed · adults 25+

	Mahnomen County	Minnesota	United States
Population (25+)	3,249	3,923,744	230,807,303
Less than 9th grade	3.3%	2.7%	4.7%
9th–12th, no diploma	8.6%	3.4%	5.7%
High school diploma or GED	34%	23.3%	26%
Some college, no degree	23.5%	19.5%	19.1%
Associate's degree	14.4%	11.8%	8.8%
Bachelor's degree or higher	16.2%	39.4%	35.7%
Bachelor's degree	11.4%	25.6%	21.6%
Graduate or professional	4.7%	13.8%	14.1%
High School or higher	88.1%	93.9%	89.6%

Earnings by education level

percentage as applicable

Median Earnings

$44,805

Median earnings for adults 25+, by level

Less than HS graduate

$32,500

HS graduate

$38,333

Some college or associates

$44,122

Bachelors degree

$63,333

Graduate or professional degree

$67,500

Poverty Rate

4.2%

for ages 25+, with bachelors degree or higher

Less than HS graduate

28.1%

HS graduate

16.1%

Some college or associates

15.2%

Bachelors degree or higher

4.2%

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Mahnomen County	Minnesota	United States
Median earnings
Population 25+, with earnings	$44,805	$58,615	$52,696
Less than high school graduate	$32,500	$36,257	$32,485
High school graduate (includes equivalency)	$38,333	$42,951	$40,153
Some college or associate's degree	$44,122	$51,845	$47,260
Bachelor's degree	$63,333	$73,301	$70,044
Graduate or professional degree	$67,500	$89,644	$90,720
Poverty rates
Less than high school graduate	28.1%	23.7%	24.2%
High school graduate (includes equivalency)	16.1%	12.3%	14.4%
Some college or associate's degree	15.2%	7.8%	9.8%
Bachelor's degree or higher	4.2%	3.2%	4.5%

Insights for Mahnomen County, by topic

Income By year By race By age By gender

Population By year By race By age By gender

About Neilsberg Research

Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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