 1.24% of the population were Hispanic or Latino of any race.49.0% were of Norwegian, 15.4% German and 7.2% Swedish ancestry.There were 5,525 households out of which 30.60% had children under the age of 18 living with them, 51.70% were married couples living together, 9.10% had a female householder with no husband present, and 35.70% were non-families.