 Of the 16,093 households, 38.4% included children under the age of 18, 74.8% were married couples living together, 6.6% had a female householder and 16.8% were non-families.Fourteen percent of all households were made up of individuals and 5.9% were persons living alone who were 65 or older.The average household size was 2.84 and the average family size was 3.10.