 0.57% of the population were Hispanic or Latino of any race.22.3% were of Norwegian, 17.8% German, 14.3% Swedish, 8.4% Finnish, 6.3% Irish and 5.4% English ancestry.There were 4,646 households out of which 27.10% had children under the age of 18 living with them, 57.80% were married couples living together, 6.60% had a female householder with no husband present, and 32.40% were non-families.