 There were 11,727 households out of which 24.90% had children under the age of 18 living with them, 55.20% were married couples living together, 8.40% had a female householder with no husband present, and 33.00% were non-families.28.60% of all households were made up of individuals and 14.00% had someone living alone who was 65 years of age or older.The average household size was 2.30 and the average family size was 2.79.