 There were 6,247 households, out of which 30.6% had children under the age of 18 living with them, 54.9% were married couples living together, 10.4% had a female householder with no husband present, and 28.8% were non-families.22.9% of all households were made up of individuals, and 8.1% had someone living alone who was 65 years of age or older.The average household size was 2.73 and the average family size was 3.20.