 There were 15,098 households, of which 28.8% had children under the age of 18 living with them, 37.5% were married couples living together, 16.3% had a female householder with no husband present, 5.3% had a male householder with no wife present, and 41.0% were non-families.34.2% of all households were made up of individuals, and 13.5% had someone living alone who was 65 years of age or older.The average household size was 2.29 and the average family size was 2.91.