There were 8,962 households, of which 31.6% had children under the age of 18 living with them, 39.2% were married couples living together, 14.9% had a female householder with no husband present, 5.8% had a male householder with no wife present, and 40.2% were non-families. 33.0% of all households were made up of individuals, and 14.6% had someone living alone who was 65 years of age or older. The average household size was 2.39 and the average family size was 3.04.