 There were 12,664 households, out of which 32.0% had children under the age of 18 living with them, 53.6% were married couples living together, 12.3% had a female householder with no husband present, and 29.2% were non-families.25.2% of all households were made up of individuals, and 10.6% 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 2.94.