
Duluth
- County:
- St. Louis County
- County Seat:
- Yes
- Area (mi²):
- 71.658
- State:
- Minnesota
Duluth is a city located in St. Louis County, Minnesota. Duluth has a 2025 population of 88,318. It is also the county seat of St. Louis County. Duluth is currently growing at a rate of 0.36% annually and its population has increased by 1.84% since the most recent census, which recorded a population of 86,722 in 2020.
The average household income in Duluth is $90,876 with a poverty rate of 17.16%. The median age in Duluth is 35.2 years: 34.6 years for males, and 36 years for females.