 There were 20,606 households out of which 38.10% had children under the age of 18 living with them, 58.70% were married couples living together, 10.10% had a female householder with no husband present, and 26.50% were non-families.21.90% of all households were made up of individuals and 8.90% had someone living alone who was 65 years of age or older.The average household size was 2.70 and the average family size was 3.15.