 Of the 6,538 households, 24.8% had children under the age of 18 living with them, 61.1% were married couples living together, 8.5% had a female householder with no husband present, and 27.8% were not families.About 22.7% of all households were made up of individuals, and 12.4% had someone living alone who was 65 years of age or older.The average household size was 2.37 and the average family size was 2.76.