 There were 16,456 households out of which 24.9% had children under the age of 18 living with them, 40.5% were married couples living together, 18.1% had a female householder with no husband present, and 37.7% were non-families.33.9% of all households were made up of individuals and 16.9% had someone living alone who was 65 years of age or older.The average household size was 2.28 and the average family size was 2.91.