There were 8,735 households, of which 34.1% had children under the age of 18 living with them, 50.0% were married couples living together, 11.6% had a female householder with no husband present, 4.9% had a male householder with no wife present, and 33.6% were non-families. 27.7% of all households were made up of individuals, and 11.9% had someone living alone who was 65 years of age or older. The average household size was 2.45 and the average family size was 2.98.