 There were 3,680 households, 31.7% had children under the age of 18 living with them, 67.0% were married couples living together, 6.9% had a female householder with no husband present, and 23.0% were non-families.18.0% of households were made up of individuals, and 8.2% were one person aged 65 or older.The average household size was 2.62 and the average family size was 2.98.