 Of the 19,077 households, 32.30% had children under the age of 18 living with them, 54.00% were married couples living together, 13.20% had a female householder with no husband present, and 29.40% were not families.About 26.10% 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 2.48 and the average family size was 2.99.