There were 25,529 households, of which 33.7% had children under the age of 18 living with them, 37.1% were married couples living together, 21.0% had a female householder with no husband present, 6.1% had a male householder with no wife present, and 35.9% were non-families. 30.8% of all households were made up of individuals, and 11.5% 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 3.09.