 There were 15,281 households of which 29.1% had children under the age of 18 living with them, 40.5% were married couples living together, 13.4% had a female householder with no husband present, 5.6% had a male householder with no wife present, and 40.5% were non-families.33.6% of all households were made up of individuals and 15.4% had someone living alone who was 65 years of age or older.The average household size was 2.34 and the average family size was 2.94.