 18.6% were of English, 17.0% German, 10.9% Irish and 9.9% American ancestry.There were 1,770 households out of which 29.90% had children under the age of 18 living with them, 60.10% were married couples living together, 4.40% had a female householder with no husband present, and 32.40% were non-families.27.70% of all households were made up of individuals and 11.30% had someone living alone who was 65 years of age or older.