There were 50,588 households, of which 27.6% had children under the age of 18 living with them, 34.8% were married couples living together, 15.6% had a female householder with no husband present, 5.2% had a male householder with no wife present, and 44.5% were non-families. 36.5% of all households were made up of individuals, and 11.9% had someone living alone who was 65 years of age or older. The average household size was 2.23 and the average family size was 2.91.