There were 8,186 households, of which 31.4% had children under the age of 18 living with them, 42.2% were married couples living together, 14.2% had a female householder with no husband present, 5.4% had a male householder with no wife present, and 38.1% were non-families. 30.1% of all households were made up of individuals, and 10.1% had someone living alone who was 65 years of age or older. The average household size was 2.44 and the average family size was 3.04.