 There were 8,560 households out of which 17.9% had children under the age of 18 living with them, 21.9% were married couples living together, 13.5% had a female householder with no husband present, and 61.4% were non-families.31.4% of all households were made up of individuals and 7.3% had someone living alone who was 65 years of age or older.The average household size was 2.27 and the average family size was 2.93.