 There were 216,471 households, out of which 54.2% had children under the age of 18 living with them, 65.00% were married couples living together, 18.8% had a female householder with no husband present, and 17.0% were non-families.14.0% of all households were made up of individuals, and 5.6% had someone living alone who was 65 years of age or older.The average household size was 3.55 and the average family size was 3.94.