There were 8,850 households, of which 31.8% had children under the age of 18 living with them, 39.3% were married couples living together, 14.4% had a female householder with no husband present, 5.3% had a male householder with no wife present, and 40.9% were non-families. 34.1% of all households were made up of individuals, and 13.6% had someone living alone who was 65 years of age or older. The average household size was 2.36 and the average family size was 3.00.