There were 53,442 households, of which 30.6% had children under the age of 18 living with them, 42.2% were married couples living together, 15.9% had a female householder with no husband present, 5.9% had a male householder with no wife present, and 36.0% were non-families. 30.4% of all households were made up of individuals, and 12.6% had someone living alone who was 65 years of age or older. The average household size was 2.49 and the average family size was 3.11.