 There were 27,538 households out of which 23.4% had children under the age of 18 living with them, 47.8% were married couples living together, 8.6% had a female householder with no husband present, and 39.5% were non-families.20.4% of all households were made up of individuals and 10.6% had someone living alone who was 65 years of age or older.The average household size was 2.26 and the average family size was 2.81.