Mankato is a city located in the U.S. state of Minnesota, spanning Blue Earth, Nicollet, and Le Sueur counties. It serves as the county seat for Blue Earth County.
As of the 2020 census, Mankato had a population of 44,488, making it the 21st-largest city in Minnesota. It ranks as the fourth-largest city outside of the Minneapolis–Saint Paul metropolitan area. The broader Mankato metropolitan area has an estimated population of 105,000 residents.