There were 8,459 households, of which 25.7% had children under the age of 18 living with them, 39.9% were married couples living together, 11.8% had a female householder with no husband present, 5.1% had a male householder with no wife present, and 43.2% were non-families. 35.5% 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 2.19 and the average family size was 2.79.