 There were 12,368 households out of which 28.4% had children under the age of 18 living with them, 47.4% were married couples living together, 10.3% had a female householder with no husband present, and 39.3% were non-families.33.5% of all households were made up of individuals and 14.6% 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 2.90.