 There were 4,668 households, out of which 37.9% had children under the age of 18 living with them, 68.3% were married couples living together, 8.1% had a female householder with no husband present, and 19.8% were non-families.14.4% of all households were made up of individuals, and 3.7% had someone living alone who was 65 years of age or older.The average household size was 2.83 and the average family size was 3.12.