There were 9,409 households, out of which about 21% had children under the age of 18 living with them. About 34% were married couples living together; 10% had a female householder with no husband present, about 4% had a male householder with no wife present, and about 52% were non-families. About 38% of all households were made up of individuals, and 13.5% had someone living alone who was 65 years of age or older. The average household size was 2.03 and the average family size was 2.63.