 There were 11,250 households out of which 21.90% had children under the age of 18 living with them, 56.70% were married couples living together, 7.70% had a female householder with no husband present, and 32.30% were non-families.28.10% 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 2.23 and the average family size was 2.69.