 There were 4,501 households, out of which 26.1% had children under the age of 18 living with them, 53.5% were married couples living together, 9.5% had a female householder with no husband present, and 34.1% were non-families.31.0% of all households were made up of individuals, and 18.9% had someone living alone who was 65 years of age or older.The average household size was 2.25 and the average family size was 2.80.