 Of the total 19,003 households, 30.50% had children under the age of 18 living with them, 61.80% were married couples living together, 8.90% had a female householder with no husband present, and 26.40% were non-families.21.40% of all households were made up of individuals and 9.00% had someone living alone who was 65 years of age or older.The average household size was 2.47 and the average family size was 2.86.