 Of the 7,292 total households, 40.7% had children under the age of 18 living with them, 75.3% were married couples living together, 5.4% had a female householder with no husband present, and 16.6% were non-families.14.2% of households were one person and 5.9% were one person aged 65 or older.The average household size was 2.88 and the average family size was 3.20.