There were 9,175 households, of which 29.9% had children under the age of 18 living with them, 39.0% were married couples living together, 14.5% had a female householder with no husband present, 6.0% had a male householder with no wife present, and 40.4% were non-families. 33.8% of all households were made up of individuals, and 13.9% had someone living alone who was 65 years of age or older. The average household size was 2.34 and the average family size was 2.98.