Duluth is a city located in St. Louis County Minnesota. It is also the county seat of St. Louis County. With a 2020 population of 85,142, it is the 4th largest city in Minnesota (after Minneapolis, St. Paul, and Rochester) and the 403rd largest city in the United States . Duluth is currently declining at a rate of -0.28% annually and its population has decreased by -1.30% since the most recent census, which recorded a population of 86,265 in 2010. Duluth reached it's highest population of 106,884 in 1960. Spanning over 91 miles, Duluth has a population density of 1,188 people per square mile.
The average household income in Duluth is $72,424 with a poverty rate of 18.19%. The median rental costs in recent years comes to $820 per month, and the median house value is $163,300. The median age in Duluth is 34.1 years, 32.6 years for males, and 35.2 years for females.