 In recent years, average temperatures in the county seat of Mankato have ranged from a low of in January to a high of in July, although a record low of was recorded in February 1996 and a record high of was recorded in August 1988.Average monthly precipitation ranged from in February to in June.As of the 2000 United States Census, the county had 55,941 people, 21,062 households, and 12,616 families.