There were 27,722 households, of which 23.9% had children under the age of 18 living with them, 31.5% were married couples living together, 14.1% had a female householder with no husband present, 4.6% had a male householder with no wife present, and 49.8% were non-families. 35.2% of all households were made up of individuals, and 10.9% had someone living alone who was 65 years of age or older. The average household size was 2.22 and the average family size was 2.85.