There were 9,534 households, of which 23.4% had children under the age of 18 living with them, 39.7% were married couples living together, 11.7% had a female householder with no husband present, 4.2% had a male householder with no wife present, and 44.4% were non-families. 39.1% of all households were made up of individuals, and 18.6% had someone living alone who was 65 years of age or older. The average household size was 2.15 and the average family size was 2.89.