There were 12,177 households, of which 32.5% had children under the age of 18 living with them, 34.5% were married couples living together, 19.9% had a female householder with no husband present, 5.6% had a male householder with no wife present, and 40.0% were non-families. 33.0% of all households were made up of individuals, and 11.8% had someone living alone who was 65 years of age or older. The average household size was 2.42 and the average family size was 3.03.