 There were 4,101 households of which 30.20% had children under the age of 18 living with them, 60.20% were married couples living together, 5.40% had a female householder with no husband present, and 30.80% were non-families.28.70% of all households were made up of individuals and 15.10% had someone living alone who was 65 years of age or older.The average household size was 2.45 and the average family size was 3.01.