 19.2% were of German, 14.2% English, 11.7% Irish and 6.7% American ancestry.There were 7,688 households out of which 25.60% had children under the age of 18 living with them, 45.30% were married couples living together, 5.70% had a female householder with no husband present, and 45.70% were non-families.27.30% of all households were made up of individuals and 3.70% had someone living alone who was 65 years of age or older.