sentences:  There were 13,243 households out of which 31.8% had children under the age of 18 living with them, 36.4% were married couples living together, 23.9% had a female householder with no husband present, and 34.9% were non-families.30.1% of all households were made up of individuals and 9.5% had someone living alone who was 65 years of age or older.The average household size was 2.44 and the average family size was 3.03.