 41.7% were of Norwegian, 19.7% German and 5.8% French ancestry.There were 12,070 households out of which 32.30% had children under the age of 18 living with them, 54.90% were married couples living together, 8.50% had a female householder with no husband present, and 33.30% were non-families.28.90% of all households were made up of individuals and 13.80% had someone living alone who was 65 years of age or older.