There were 9,640 households, of which 34.9% had children under the age of 18 living with them, 38.6% were married couples living together, 19.2% had a female householder with no husband present, 5.9% had a male householder with no wife present, and 36.3% were non-families. 29.8% of all households were made up of individuals, and 8.2% had someone living alone who was 65 years of age or older. The average household size was 2.52 and the average family size was 3.12.