Duluth, MN

City in St. Louis County, MN, US

By Neilsberg Research

Last updated May 1, 2026

Key Indicators

A quick look at key numbers

Population

87,093

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

Median Age

35.2

years ∙ half population younger than 35.2, half older

Diversity Index

24.6%

chance two random people differ in race and ethnicity

Nativity

3.1%

foreign-born population

96.9%Native

3.1% Foreign-born

Geographic Context

Location, size, and surroundings

About

Duluth is a city within St. Louis County, Minnesota, United States.

Location

City in St. Louis County, MN, US

Co-ordinates

DEC46.774458° N, 92.134135° W

DMS46° 46′ 28.05″ N, 92° 08′ 02.89″ W

Population Density & area

1,215/sq mi (469.3/km²)

Total Area

80.2 sq mi (207.6 km²)

Land Area

71.7 sq mi (185.6 km²) · 89.4%

Water Area

8.5 sq mi (22 km²) · 10.6%

Demographics & Living

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

Population Composition

Key characteristics of the population

Sex Distribution

49.4% male

Male 49.4%

Female 50.6%

males per 100 females

Duluth 97.5

St. Louis County 101.4

Minnesota 100.4

Nativity

3.1%

foreign-born population

96.9%Native

3.1% Foreign-born

% Foreign-born

Duluth 3.1%

St. Louis County 1.9%

Minnesota 8.7%

Age Distribution

How the population is spread across age groups

Median Age

35.2

years ∙ half population younger than 35.2, half older

Duluth

35.2

St. Louis County

41.2

Minnesota

38.8

Dependency ratio

53.5

dependents per 100 working-age adults

Duluth 53.5

St. Louis County 66.4

Minnesota 67.1

AGE DISTRIBUTION

Distribution of age group

Median age

	Duluth	St. Louis County	Minnesota
Age Group
Children (Under 18)	17.6%	18.6%	22.9%
Working age (18-64)	65.1%	60%	59.8%
Senior (65+)	17.3%	21.4%	17.3%
Dependency ratio
Total dependency ratio	53.5	66.4	67.1
Child dependency ratio	27	30.9	38.2
Old-age dependency ratio	26.6	35.6	28.9

Racial & Ethnic Composition

Racial and ethnic makeup and how it compares

Race & Ethnicity

White

86.6%

Black

2.7%

Asian

1.7%

Hispanic

2.6%

Other

6.4%

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

24.6%

chance two random people differ in race and ethnicity

Duluth 24.6%

St. Louis County 19.6%

Minnesota 41%

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 Duluth population

	Duluth	St. Louis County	Minnesota
Hispanic or Latino	2.6%	1.9%	6.4%
Mexican	1.4%	1.1%	3.9%
Puerto Rican	0.1%	0.2%	0.3%
Cuban	0.1%	0.1%	0.1%
Other Hispanic / Latino	1%	0.6%	2%
Not Hispanic or Latino	97.4%	98.1%	93.6%
One race	92.7%	94%	89.1%
White	86.6%	89.5%	75.9%
Black or African American	2.7%	1.6%	6.9%
American Indian and Alaska Native	1.3%	1.5%	0.7%
Asian	1.7%	1%	5.1%
Native Hawaiian and Other Pacific Islander	0%	0%	0%
Some Other Race	0.3%	0.3%	0.5%
Two or more races (Multiracial)	4.7%	4.1%	4.5%

Household & Families Composition

Household size, type, and family structure

Household structure

49.4% family

Family 49.4%

Non family 50.6%

% family households

Duluth 49.4%

St. Louis County 55.4%

Minnesota 62.3%

Average household size

2.18

persons per household

Duluth

2.18

St. Louis County

2.2

Minnesota

2.43

Household & Family COMPOSITION

Households

Percentage of Duluth population

	Duluth	St. Louis County	Minnesota
Total households	37,447	87,115	2,307,955
Average houshold size	2.18	2.2	2.43
Family households	18,482	48,228	1,438,404
Average family size	2.86	2.82	3.04
Married couple family	13,759	37,471	1,129,003
Other families	4,723	10,757	309,401
Male householder	1,337	3,736	102,922
Female householder	3,386	7,021	206,479
Non-family households	18,965	38,887	869,551
One-person households	13,759	29,986	686,475
Male householder	6,681	15,358	320,418
Senior (65+) living alone	1,731	5,241	97,557
Female householder	7,078	14,628	366,057
Senior (65+) living alone	3,425	7,768	186,557
Other living arrangements	5,206	8,901	183,076

Housing Profile

Housing stock, ownership, rentals, and cost burdens

Total housing units

39,978

housing units

Duluth 39,978

St. Louis County 104,263

Minnesota 2,545,030

Occupancy status

93.7% occupied

Occupied 93.7%

Vacant 6.3%

vacancy rate

Duluth 6.3%

St. Louis County 16.4%

Minnesota 9.3%

Housing Characteristics

How the housing supply is structured and used

Types of Housing unit

62.4%

Single family houses

62.4%

Apartments in multi-unit structures

35.4%

Mobile homes

2.3%

Boat, RV, van, etc

Median Year Built

1951

Half of houses were built before 1951, and half after.

Historic ∙ 1939 or earlier

42.8%

Postwar & mid-century ∙ 1940 - 1969

25.2%

Late 20th century ∙ 1970 - 1999

19.6%

Modern ∙ 2000 or later

12.2%

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

Housing Characteristics

Units, rooms & bedrooms

Physical characteristics of housing units

	Duluth	St. Louis County	Minnesota
Rooms per unit
Median rooms	5.5	5.5	6.1
1–3 rooms	18.7%	16.8%	14.9%
4–6 rooms	48.6%	50.3%	41.4%
7+ rooms	32.6%	33%	43.7%
Bedrooms
No bedroom / studio	2.6%	2.6%	2.7%
1 bedroom	17.9%	13.6%	11.4%
2 bedrooms	28.2%	29.3%	24.5%
3 bedrooms	33.3%	36.9%	32.2%
4+ bedrooms	17.9%	17.7%	29.1%
At a glance
Median year built	1951	1960	1979
Total housing units	39,978	104,263	2,545,030

Occupancy Profile

Who is inside and how they use it

Homeownership

59.4% owners

Renter-occupied 40.6%

Owner-occupied 59.4%

homeownership rate

Duluth 59.4%

St. Louis County 71.2%

Minnesota 72.2%

Average household size

2.39

Owner-occupied

1.88

Renter-occupied

owner-occupied average size

Duluth 2.39

St. Louis County 2.34

Minnesota 2.59

Housing Characteristics

Occupied unit characteristics

Tenure, crowding, and utilities

	Duluth	St. Louis County	Minnesota
Total occupied units	37,447	87,115	2,307,955
Year moved in
2020 or later	28.1%	22.9%	23.8%
2010 to 2019	38.5%	35.9%	38.9%
2000 to 2009	14.2%	15.7%	16.1%
1999 or earlier	19.2%	25.4%	21.2%
Occupants per room
1.00 or fewer	98.6%	98.9%	97.7%
1.01 to 1.50	0.9%	0.7%	1.5%
1.51 or more	0.5%	0.4%	0.8%
Vehicles availability
No vehicles	10.2%	8%	6.7%
1 vehicle	35.7%	31.5%	30.8%
2 vehicles	38.2%	37.9%	39.5%
3 or more vehicles	16%	22.6%	23.1%
House heating fuel used
Gas	74.7%	68.1%	75.9%
Electricity	18.5%	18.9%	19.4%
Solar	0%	0%	0.1%
Fuel oil, kerosene etc	3.9%	6.5%	1.3%
All other fuels	1.8%	5.4%	2.5%
No fuel used	1%	1%	0.9%
Selected characteristics
Lacking complete plumbing	0.7%	0.7%	0.4%
Lacking complete kitchen	0.9%	0.8%	0.7%
No telephone service available	0.6%	0.7%	0.7%

Housing Value

What owner-occupied units are worth

Median home value

$242,700

owner-occupied units

Median value(USD)

Duluth

$242,700

St. Louis County

$221,400

Minnesota

$329,300

Housing Cost Burden

21.9%

of homeowners with a mortgage are cost-burdened

% Cost-Burdened Households

Owners with a mortgage

21.9%

Owners without a mortgage

13.7%

Renters

53.9%

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

	Duluth	St. Louis County	Minnesota
Property value
Median Value	$242,700	$221,400	$329,300
Under $100,000	9.4%	16.6%	7.7%
$100,000 - $200,000	25.5%	27.6%	13.3%
$200,000 - $300,000	30.3%	23.6%	22.6%
$300,000 - $500,000	25.9%	23%	36.9%
$500,000 - $1,000,000	7.8%	8.3%	17%
$1,000,000 and more	1.3%	1%	2.6%
Owner-occupied households
With a mortgage	62.9%	56.3%	64%
Without a mortgage	37.1%	43.7%	36%
Median monthly owner costs
With a mortgage	$1,573	$1,558	$1,947
Without a mortgage	$665	$577	$698
Gross rent
Median rent	$1,087	$1,013	$1,280

Education Profile

How educated is the community and how education pays off

Adults with a college degree

44%

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

Duluth 44%

St. Louis County 33.6%

Minnesota 39.4%

Adults without a high school diploma

4.2%

of adults (25+) without a high school diploma

Duluth 4.2%

St. Louis County 4.9%

Minnesota 6.1%

School Enrollment

Who is enrolled in school and at what level

School enrollment

24,600

population (age 3+) enrolled in school

Nursery / Preschool

5.4%

K–12

42.8%

College / Undergraduate

44%

Graduate / Professional

7.7%

College-going rate (18-24 yr olds)

63.3%

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

Duluth

63.3%

St. Louis County

51.8%

Minnesota

39.1%

Enrollment & school type

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

Population 3+ currently enrolled in a school

	Duluth	St. Louis County	Minnesota
Total enrolled (age 3+)	24,600	46,844	1,385,086
Nursery / preschool	5.4%	5.8%	6.2%
K–12	42.8%	58%	69.9%
Kindergarten	3.4%	4.4%	5.2%
Elementary: Grades 1–4	14.1%	16.9%	20.6%
Elementary: Grades 5–8	13%	17.7%	21.7%
High School: Grades 9–12	12.4%	19.1%	22.4%
College or graduate school	51.8%	36.2%	23.9%
College, undergraduate	44%	30.5%	18.8%
Graduate, professional school	7.7%	5.8%	5.1%
College-going rate · 18-24 yr olds	63.3%	51.8%	39.1%
School type
Public school	84.3%	87%	83.3%
Private school	15.7%	13%	16.7%

Education Attainment by Level & Gender

What is the highest level of education completed among adults

Education attainment

55,778

population 25 years and over

Total adults (25+)

Less than 9th grade

1.3%

9th-12th, no diploma

2.9%

HS graduate

20.3%

Some college no degree

21.1%

Associates degree

10.5%

Bachelors degree

27.1%

Graduate or professional degree

16.9%

Attainment by gender

Male vs Female

Adults (25+) · Share within each education level

% male · % female

Less than 9th grade

64.9% · 35.1%

9th-12th, no diploma

57.9% · 42.1%

HS graduate

52.5% · 47.5%

Some college no degree

51.3% · 48.7%

Associates degree

47.5% · 52.5%

Bachelors degree

46.9% · 53.1%

Graduate or professional degree

44.6% · 55.4%

Educational Attainment Overview

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

Highest credential completed · adults 25+

	Duluth	St. Louis County	Minnesota
Population (25+)	55,778	138,424	3,923,744
Less than 9th grade	1.3%	1.4%	2.7%
9th–12th, no diploma	2.9%	3.5%	3.4%
High school diploma or GED	20.3%	25.2%	23.3%
Some college, no degree	21.1%	23%	19.5%
Associate's degree	10.5%	13.3%	11.8%
Bachelor's degree or higher	44%	33.6%	39.4%
Bachelor's degree	27.1%	21.4%	25.6%
Graduate or professional	16.9%	12.2%	13.8%
High School or higher	95.8%	95.1%	93.9%

Earnings by education level

percentage as applicable

Median Earnings

$50,944

Median earnings for adults 25+, by level

Less than HS graduate

$27,917

HS graduate

$32,212

Some college or associates

$43,513

Bachelors degree

$59,674

Graduate or professional degree

$79,404

Poverty Rate

for ages 25+, with bachelors degree or higher

Less than HS graduate

39.4%

HS graduate

21.1%

Some college or associates

11.3%

Bachelors degree or higher

Outcomes by Education Level

Earnings and poverty rates across education levels (25+)

Adults 25+

	Duluth	St. Louis County	Minnesota
Median earnings
Population 25+, with earnings	$50,944	$51,021	$58,615
Less than high school graduate	$27,917	$26,011	$36,257
High school graduate (includes equivalency)	$32,212	$36,248	$42,951
Some college or associate's degree	$43,513	$46,767	$51,845
Bachelor's degree	$59,674	$61,548	$73,301
Graduate or professional degree	$79,404	$79,753	$89,644
Poverty rates
Less than high school graduate	39.4%	33.4%	23.7%
High school graduate (includes equivalency)	21.1%	16.2%	12.3%
Some college or associate's degree	11.3%	9.5%	7.8%
Bachelor's degree or higher	4%	4.1%	3.2%

Insights for Duluth, 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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