There were 69,754 households, of which 23.4% had children under the age of 18 living with them, 34.4% were married couples living together, 11.8% had a female householder with no husband present, 4.7% had a male householder with no wife present, and 49.2% were non-families. 37.3% 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 2.13 and the average family size was 2.81.