There were 9,945 households, of which 28.0% had children under the age of 18 living with them, 48.2% were married couples living together, 10.9% had a female householder with no husband present, 4.3% had a male householder with no wife present, and 36.6% were non-families. 30.0% of all households were made up of individuals, and 13.3% had someone living alone who was 65 years of age or older. The average household size was 2.35 and the average family size was 2.92.