 There were 7,780 households out of which 31.90% had children under the age of 18 living with them, 51.20% were married couples living together, 7.20% had a female householder with no husband present, and 37.80% were non-families.27.30% of all households were made up of individuals and 5.50% had someone living alone who was 65 years of age or older.The average household size was 2.40 and the average family size was 2.96.