 There were 11,613 households, out of which 30.80% had children under the age of 18 living with them, 50.00% were married couples living together, 15.60% had a female householder with no husband present, and 30.50% were non-families.28.00% of all households were made up of individuals, and 13.50% had someone living alone who was 65 years of age or older.The average household size was 2.45 and the average family size was 2.99.