- Blue Earth County, Minnesota (data.census.gov)
Blue Earth County, Minnesota has 747.8 square miles of land area and is the 34th largest county in Minnesota by total area. Blue Earth County, Minnesota is bordered by Watonwan County, Minnesota, Faribault County, Minnesota, Le Sueur County, Minnesota, Nicollet County, Minnesota, Martin County, Minnesota, Waseca County, Minnesota, and Brown County, Minnesota.
- Blue Earth County, Minnesota (Wikipedia)
Blue Earth County is a county in the state of Minnesota. As of the 2020 census, the population was 69,112. Its county seat is Mankato. The county is named for the Blue Earth River and for the deposits of blue-green clay once evident along the banks of the Blue Earth River. Blue Earth County is part of the Mankato metropolitan area.