 Of the 8,521 households, 25.90% had children under the age of 18 living with them, 62.10% were married couples living together, 7.00% had a female householder with no husband present, and 28.60% were not families.About 25.80% of all households were made up of individuals and 14.20% had someone living alone who was 65 years of age or older.The average household size was 2.38 and the average family size was 2.84.