sentences:  There were 10,199 households out of which 30.80% had children under the age of 18 living with them, 55.60% were married couples living together, 10.20% had a female householder with no husband present, and 29.90% were non-families.25.80% of all households were made up of individuals and 12.30% 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 2.94.