sentences:  There were 17,873 households out of which 32.10% had children under the age of 18 living with them, 48.30% were married couples living together, 17.00% had a female householder with no husband present, and 29.60% were non-families.26.30% of all households were made up of individuals and 11.20% had someone living alone who was 65 years of age or older.The average household size was 2.51 and the average family size was 3.01.