 There were 15,596 households of which 35.4% had children under the age of 18 living with them, 59.2% were married couples living together, 7.2% had a female householder with no husband present, 2.9% had a male householder with no wife present, and 30.7% were non-families.25.0% of all households were made up of individuals and 8.8% had someone living alone who was 65 years of age or older.The average household size was 2.52 and the average family size was 3.04.