 There were 22,794 households, of which 31.5% had children under the age of 18 living with them, 46.1% were married couples living together, 11.2% had a female householder with no husband present, 5.2% had a male householder with no wife present, and 37.5% were non-families.Of all households 30.3% were made up of individuals, and 10.1% had someone living alone who was 65 years of age or older.The average household size was 2.38 and the average family size was 2.95.