There were 10,933 households, of which 31.2% had children under the age of 18 living with them, 38.3% were married couples living together, 17.3% had a female householder with no husband present, 4.8% had a male householder with no wife present, and 39.6% were non-families. 33.7% of all households were made up of individuals, and 10.4% 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 3.01.