Duluth Population

1860–2026

88,642

2026 projection

2.2% since 2020 (increase)

020K40K60K80K100K120K186018801900192019401960198020002020

Source: U.S. Census Bureau decennial counts and annual estimates, including 2010–2020 intercensal estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Duluth. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202688,642+3120.35%
202588,330+2010.23%
202488,129+3480.40%
202387,781+410.05%
202287,740+1,0181.17%
202186,722+250.03%
202086,697+1330.15%
201986,564-1500.17%
201886,714+40.00%
201786,710+120.01%

Showing 10 of 32 years.

The 2020 row compares the April 1 Census count with the July 1, 2019 estimate (about nine months). Its Growth and Annual change therefore do not represent a full year.

Growth since 2020, compared

Duluth is growing faster than St. Louis County, and slower than Minnesota and the U.S.

  • United States+3.1%
  • Minnesota+2.1%
  • Duluth+1.7%
  • St. Louis County+0.2%

Change from July 1, 2020 to July 1, 2025 population estimates—not annualized growth or site projections.

Source: U.S. Census Bureau. U.S. totals are summed from the 50 states and D.C.; unavailable comparisons are omitted.

Duluth Demographics

35.2median age

Median age

Female36.2 yrs
Male34.5 yrs

Adults

71,798
15,068 seniors (65+) · 21% of adults56,730 other adults

Sex

Female 50.6% · 44,107Male 49.4% · 42,986

Population by age

MaleFemale85+ years, male: 56885+ years, female: 1,44080–84 years, male: 84580–84 years, female: 95275–79 years, male: 96475–79 years, female: 1,51670–74 years, male: 1,96670–74 years, female: 2,30665–69 years, male: 2,16265–69 years, female: 2,34960–64 years, male: 2,32460–64 years, female: 2,28955–59 years, male: 2,05755–59 years, female: 2,31450–54 years, male: 2,25250–54 years, female: 2,04245–49 years, male: 2,43345–49 years, female: 2,14940–44 years, male: 2,53240–44 years, female: 2,39435–39 years, male: 2,99635–39 years, female: 2,88730–34 years, male: 3,21830–34 years, female: 2,80925–29 years, male: 3,10825–29 years, female: 2,90620–24 years, male: 5,48920–24 years, female: 6,34415–19 years, male: 3,25315–19 years, female: 3,28510–14 years, male: 2,21710–14 years, female: 1,8545–9 years, male: 2,1975–9 years, female: 2,1670–4 years, male: 2,4050–4 years, female: 2,10485+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–42K2K4K4K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 871 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Duluth Income

$68,807median household income

Median household income

$68,807

Half of households earn more, half earn less

Median earnings

$50,944

Typical yearly pay for a worker 25 or older.

Poverty rate

16.8%

About 1 in 6 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Duluth Marital Status

39% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married39%40%39%
Never married45%49%41%
Divorced11%9%12%
Widowed5%2%8%
Separated<1%<1%<1%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201

Sources

14 sources

Population

American Community Survey, 2024 5-year

Additional sources