There were 28,545 households, of which 29.4% had children under the age of 18 living with them, 36.7% were married couples living together, 13.7% had a female householder with no husband present, 5.2% had a male householder with no wife present, and 44.4% were non-families. 34.9% of all households were made up of individuals, and 9% had someone living alone who was 65 years of age or older. The average household size was 2.30 and the average family size was 3.00.