 There were 4,255 households, out of which 39.5% had children under the age of 18 living with them, 74.4% were married couples living together, 6.4% had a female householder with no husband present, and 16.2% were non-families.12.8% of all households were made up of individuals, and 5.0% had someone living alone who was 65 years of age or older.The average household size was 2.88 and the average family size was 3.15.