sentences:  There were 15,044 households out of which 36.90% had children under the age of 18 living with them, 48.80% were married couples living together, 15.90% had a female householder with no husband present, and 28.10% were non-families.23.50% of all households were made up of individuals and 7.80% had someone living alone who was 65 years of age or older.The average household size was 2.71 and the average family size was 3.19.