 There were 456,129 households out of which 28.80% had children under the age of 18 living with them, 45.30% were married couples living together, 9.90% had a female householder with no husband present, and 41.40% were non-families.31.80% of all households were made up of individuals and 8.40% had someone living alone who was 65 years of age or older.The average household size was 2.39 and the average family size was 3.07.