There were 8,142 households, of which 27.1% had children under the age of 18 living with them, 33.3% were married couples living together, 12.2% had a female householder with no husband present, 4.8% had a male householder with no wife present, and 49.8% were non-families. 32.8% of all households were made up of individuals, and 10.8% had someone living alone who was 65 years of age or older. The average household size was 2.31 and the average family size was 2.97.