 There were 18,744 households out of which 30.20% had children under the age of 18 living with them, 51.30% were married couples living together, 7.80% had a female householder with no husband present, and 37.60% were non-families.28.20% of all households were made up of individuals and 10.50% had someone living alone who was 65 years of age or older.The average household size was 2.46 and the average family size was 3.04.