There were 22,685 households, of which 27.8% had children under the age of 18 living with them, 28.4% were married couples living together, 20.9% had a female householder with no husband present, 4.4% had a male householder with no wife present, and 46.3% were non-families. 41.4% of all households were made up of individuals, and 14.5% had someone living alone who was 65 years of age or older. The average household size was 2.13 and the average family size was 2.91.